The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.
Terrestrial plants that are able to survive in or very close to sea
or brak water are called Halophytes, this means that they
are able to either process salt water or extract water from salt
water.
Most plants cannot survive on sea/ saline or brak water, as the
process of osmosis that enables wate…
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The dependent variable might be termed the "ordinate".
The dependent variable in an experiment is the data you are
collecting.
When some variable depends on other variables, it is called the
dependent variable. For example, the temperature of something will
depend on how long you heat it, and th…
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That question should probably be phrased differently. Gallons are a measure of volume. So are cubic inches and cubic feet. There are 231 cubic inches in one 1 gallon of fluid, and if that fluid is water, then it weighs 8.32 pounds. There is no such thing as a cubic gallon.Cubic is a term that implie…
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The heart is closest to the brain, so when we walk it takes longer for the blood to get to our legs (that's why we exercise) and when we stand on our head the blood basically gushes to the brain. Your brain is saying "Whoa, what the heck is that!" Actually, it's healthy to stand on your head (in a Y…
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There are several options depending on the desired result.
If one merely wants to remove bubbles, but does not care if one
removes all dissolved gasses causing the bubbles, one can just wait
and bubbles will float to the top and disappear though agitating
the vessel to dislodge them from the sides…
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Do you mean primary qualities? Primary qualities have to do with philosophy. If that's what you meant, ask the question again. It it's not, just delete my answer.
-DJ Craig
As by primary inequalities do u mean mathematical inequalities?.....if so there are inequalities considerinf triangles and ar…
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8.35 pounds.Because ice is a solid, technically you cannot measure ice using gallon as the units. However, a gallon of water that has turned to ice will have the same weight before and after freezing. This will not be true if the temperature is lowered even further or the ice is under pressure.At 4 …
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Names of the Planets
Mercury - named after the Roman mythological
counterpart of Hermes, the Greek god of messengers, commerce,
thieves, and sports. Named as such because of the speed at which it
revolves around the Sun.
Venus - named after the Roman mythological
counterpart of Aphrodite, the Greek…
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A good scientist should possess the following
qualities:
1. A scientist must be curious about the world Example: Galileo
Galileo's curiosity about the heavenly bodies made him the first
person to use a telescope to study the moon, the sun, the planets
and the stars.
2. A scientist is logical and s…
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The study of science is essential. Let me give you some quick examples of why you must know science in everyday life: ANYTHING you learn makes you smarter! Science is the STUDY of the world around us - by learning science you learn HOW to study and learn (the scientific method, experimentation, rese…
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Electronegativity values are useful in determining if a bond is to
be classified as nonpolar covalent, polar covalent or ionic. The
electronegativities of oxygen and nitrogen are respectively, 3.44
and 3.04 on the Pauling scale, the electronegativity difference
being, 0.4. This is a very small diffe…
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Traditionally a balance was used to measure mass. Objects of known
or accepted mass was balanced against another object of unknown
mass. When the balance was level the two pans had the same mass.
The term balance or scales is still used even though there is no
balance used. The scales were the pans …
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Science is a process of trying to determine the truth. Using the
scientific method, one investigates a question, conducts
experiments, and makes the results available for others to evaluate
and attempt to duplicate. Using science we are able to find out the
truth about the would around us. Science i…
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Capillarity is the ability of a solution to rise up in a tube with a very low diameter.
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Many people believe there is a need for fostering a scientific
attitude in schools and in children. Scientific thinking is
essential for all citizens of a technological society, and the best
time to develop any skill is when you are young. Scientific
attitude encourages curiosity, questioning an iss…
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phyllotaxy is the arrangement of leaves on
stem.phyllo-leaf,taxy-orientation in Greek.
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There are innumerable branches of science. No matter how small a
field is, is a branch and there are new fields opening every day.
Just look at science journal publisher and there hundred of
subjects just a for a limited area like subatomic physics. Big
branches include physics, chemistry, and biolo…
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There is no alcohol in a triglyceride, but one is produced when it
is hydrolysed. This alcohol is glycerol.
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Most commonly, a thermometer.
Related Information:
Thermometers are used to measure the increase or decrease in the
temperature of a system as it gains or loses internal
energy.
An alcohol-in-glass thermometer has been the most common personal
instrument used to measure temperature. Mercury th…
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I see this question is in the music category. If you mean the
musical term; bass, bass is the term used to decribe an instrument.
So if you have a Bass clarinet, you have a Clarinet that plays low.
It's also used to describe the lowest male voice.
In maths it means the number we group bigger number…
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There are the two types of mixture systems, and the only similarity
between the two is that each has two or more components.
Homogeneous: These are mixture systems that are:
Uniformly (equally) distributed,
Miscible (will dissolve),
Of a single phase,
Easily dispersed through a membrane,
Inse…
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The physical properties of matter are properties that can be
observed without causing any change in the matter under
observation. Pick any five of the following 17 physical properties
of matter:
Mass
Weight
Height
Length
Depth
Volume
Color
Odor
Luster
Hardness
Melting Point
Freezing Point
Boiling…
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Very little for many vaccines. Vaccines are inexpensive to produce and many were never patented at all. Only a the newest ones are patented today.
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The limitations of models in science are that they don't show you
the actual thing, models are very different.
The benefits of using models is the ability to get empirical data
for some experiments that can be used to predict full scale
results. This can result is faster development or understandin…
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Yes, it can be used to form a Dodecahedron.
I don't see how! But cut out a pentagon from a piece of paper. Next
make a fold along a line between any 2 corners which are not next
to each other. It's no longer 2D.
+++
I am not sure what the second sentence is about, but each of the
12 faces of a Dod…
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Instructions
Things You'll Need:
Beaker2 liter plastic bottleScissors or razor bladeRing standRubber stopperRubber tubingWax pencilWaterFood coloringCut off the bottom of a two liter plastic bottle with a pair of scissors or a utility knife.Draw a line with a wax pencil just above the bottom edg…
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It depends. usually the mood, the meaning or message which goes or is transmitted to the listeners. That affects them and their beliefs and behaviors.
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Yes they will, however the thicker the glass the stronger the magnet will need to be.yes.
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1 Calorie per degree C. If room temp is 72 degrees C then 28
calories to get to boiling then the it takes 540 calories to water
from liquid to gas, called the heat of vaporization. So add 540 to
28 and you get 568 calories.
That's the energy to convert 1g of water at room temperature to 1g
of stea…
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Superstitious belief, by definition, have no scientific basis. Science requires that ideas are tested in a way that is repeatable and falsifiable. Falsifiable means that there must be a way that the test shows that a stated belief is not true, while most superstitions rely on metaphysical entities o…
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Light entering a solution may pass entirely through or be absorbed partially or entirely depending on the solution concentration and the wavelength of the light. When this light is absorbed it transfers energy to the medium and can only hold the excess energy for about 10-5 seconds before it must re…
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It is Latin for Under (Hypo) Heat (Caust) It was the Roman method of underfloor heating. A hypocaust (Latin hypocaustum, Greek hypocauston) was an ancient Roman system of underfloor heating, used to heat houses with hot air. The word derives from the Ancient Greek hypo meaning "under" and caust-, …
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A capillary tube is used to carry a very small amount of blood. It is called a capillary (tube) because the movement in side is performed by "capillary action".
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A experimental variable is good when you are trying to test an experiment. A variable may be easily controlled, isolated, and measured. For instance a difficult experimental variable may be a persons gender. You can control if a man or woman participates in your experiment, you may even easily ide…
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Scientific models may be used to represent things that might be too
large or impossible to fit into one room. Globes, maps, and
drawings are used to represent the earth because we cannot fly into
space every time we need to look at it. We use models of atoms
because they are too small to see.
In so…
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When non- polar molecules "shrink" from contact with water; they are considered hydrophobic. Hydrophobic means "water fearing", while polar molecules are hydrophilic, meaning "water loving".
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Empirical is defined in the oxford dictionary as something based on
experience or observation rather than logic. For data to be
considered empirical it does not need to be fact. It is often used
interchangeably with first hand experience. Therein, one could say
that empirical findings are extrapolat…
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water, carbon dioxide, carbon monoxide (in incomplete combustion)
There's also nitrogen oxides.
Really, it depends on what you burn. A sulfur fire, a magnesium
fire and a tire fire have radically different combustion products.
<<>> when combustion occurs it's sometines useful to
sep…
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Standard atomic notation involves the Bohr-Rutherford diagram. This uses the number of protons, neutrons, and electrons, and also the mass number. You need to use the periodic table for the standard atomic notation. For example: 1- Mass # ( protons + neutrons) H -(hydrogen) 1- Atomic #( number o…
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My first guess would be that they evaporate at the same speed, trick question.
My second guess would be that the leaves are higher, and there's much less water on the plant, so it would evaporate faster; that's not taking into account shaded areas.
To me, transpiration -is- evaporation, so it's …
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The iron ring is a device used to hold something such as a flask over a Bunsen burner.
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That depends which "wild mangosteen" you mean, as this can be Garcinia indica or perhaps Sandoricum koetjape. There are at least fifty and perhaps 200 species in the genus Garcinia, of which any can be wild and most can be called "mangosteen".The Garcinia indica is also known as aamsol, aamsul, bin…
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Astronomers use telescopes and launch robotic instruments as probes.
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It might. There are studies that indicate that different types of music impact the how people perform some activities.
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Prokaryotes (bacteria) typically have very short life cycles, so they divide more frequently. They reproduce asexually . They are haploid . Bacteria have less developed error correcting mechanisms than Eukaryotes. However, there are a few types of "bacteria sex" . Bacteria can pick up and utilize D…
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Technology is the application of science into real life. The relation can be expressed using UML by generalization this way: science <-- technology
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G: whats given (the information already given 2 u) R: whats required (what u have 2 find out) A: the analysis (the formula ur gonna use) S: the solution (just do the formula/ show ur work) P: the answer (put ur answer in a sentence basically ur conclusion)
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The answer to this is subjective and therefore it cannot be
answered. Some people will agree with it and some people disagree.
Most people with a college education will agree with the scientific
explanation of the world. This may be in part based upon learning
the scientific attitude and processes.…
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Yes. The water will evaporate and leave the residue of salt or sugar. A process crystalization is also there from which solids are purified from liquids by heating and then cooling, leaving purified crystalals.
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Radio waves are reflected back to the Earth from the ionosphere.
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Physical science is the study of matter and its behavior whereas biological science deals with the study of living tissue.
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If you place a plastic cover over a cup of hot chocolate it stay
hotter longer because the heat is trapped in a material that
prevents it from escaping. For instance if you placed a tissue it
wouldn't stay hot long because the tissue is made of cloth that has
very tiny holes. The heat is carried by …
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This is because science is not just the information presented (the product), but also the way in which that information has been collected (the process). While scientific knowledge should be testable and falsifiable (according to Karl Popper), the way in which such information has been gathered is a…
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Yes, water vapor can act like a prism.A rainbow is caused by raindrops, not by vapor. When light enters a raindrop at an angle to its surface, different colors refract at different angles as in a prism. A reflection occurs at the far side of the drop, and more refraction occurs as the light exits th…
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Moral science can serve as a guide to someone's life and provides a path for success in social activities and other tasks, goals, or actvities that impact both other people and the world.
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Science without philosophy has no guide (is blind). It researches pointless things rather than what we want to know, like the origin of the universe and how to stop global warming. Philosophy without science has no substance (is empty): As an example, more than 2000 years ago, the Grecian philosophe…
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This is a physical change.
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To describe things as they truly are or behave, without any prejudice to force or "massage" or select observations to fit any preconceived ideas or notions about what you think should happen.
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The light is scattered. Some of the light may be absorbed, depending on the surface.
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Scientifically, work is defined as force X distance. In this case,
we know the distance (5 m), but we do not know the force. If we
knew the original force applied we could calculate the work done.
Or, if we knew the acceleration of the 2 kg mass when it was moved
we could calculate the force (force …
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It is dangerous because of the dangerous gases that form from
polymers in the burning process. When polymers such as plastics are
burned carbon containing gases are released. During the burning
process, the carbon combines with oxygen present in the atmosphere
& forms oxides of carbon.
These ga…
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The 'popping' sound of a balloon disintegrating is made by the sudden expansion of air when the skin is damaged. The compressed air within is then able to escape. One interesting variant of your 'water' experiment, is to stick a bit of cellulose tape to the balloon, and then you'll find that you ma…
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When a force acts on an object with mass, it will result in three
possible effects:
Acceleration
Deceleration
Balance (no impact)
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As an electrical conductor, iron is a better conductor than water.
<<>> Pure water is a very bad conductor, but water with
salt in it (like sea water) is quite a good conductor but not as
good as metals.
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There are four methods by which heat transfers from one area to another. They are, evaporation, convection, radiation and conduction.With a vacuum, only radiation can transfer heat across the vacuum and because the other three forms of heat transfer are negated that makes a vacuum a good insulator. …
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The definition of sublimation is when a material goes directly from
solid to gas phase, without melting first. If the material is
liquid and it transforms to gas, that's called evaporation (when
it's gradual at any temperature) or boiling (when it all starts to
change state at the boiling point). Wh…
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The weight of 1 kg is 1 kg on Earth. If the force is to be determined, it is 9.8 Newtons due to gravity.
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As time passes the concentration gradient will decrease therefore the rate of osmosis will also decrease.
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Things that move that are not alive:
A rock affected by erosion. The Earth and all the planets move around the Sun and they are not alive. The clouds move around Earth and are not alive. The tides move and waves run up the beach and are not alive. The wind can blow off roofs and erode rock and is n…
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The coin will become much shinier. If you put ketchup on a coin for
4-5 mins. It will
also become shinier.
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Yes it does, while heating or cooling by itself, so fixing the temperature profile in front of it, inside it, and beyond it. As the best conductors have the most shallow temperature profile inside it and the worse the steepest.
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The pan identifies what is to be done and the general approach to be taken. A plan can be at a low level of detail such as an outline of things to do, or, it may be very deteiled. A detailed plan will identify set-up, tools, reviews, processes or functions, and types of measurements or reviews, alon…
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A saturated solution will gradually lose the solute as it cools.
Heated solvents are able to carry more solutes because there is
more space between the molecules.
- - - - -
From the looks of the question, you've got a solution (let's make
it easy and say you have some salt water) that's saturate…
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Vibrating gasses, like air, produce longitudinal waves of pressure, some of which can be perceived as sound. If the molecules are ionized, they will also produce electromagnetic radiation.
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The fluid leaving the can must be replaced by air. The fluid trying to leave with only one hole is fighting a vacuum being created at the highest point in the can when you tilt it to pour. Putting a second hole in the can allows air to be sucked into the can to replace the volume of liquid being pou…
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Typhoid fever - also known simply as typhoid - is
a common worldwide bacterial disease transmitted by the ingestion
of food or water contaminated with the feces
of an infected person, which contain the bacterium Salmonella enterica
subsp. enterica, serovar Typhi.
The disease has received various nam…
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Scientific laws are formed from repeated experimental observation and apply to like conditions identifying relationships of some type.An example of scientific laws of nature is the laws of heredity. These laws explain how genes are inherited, but do not explain how genes work.
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Electromagnetic waves hit both the north ans south poles. These are
the same rays that hit the rest of the Earth. The difference is in
the angle at which they hit. They are more oblique than at the
equator, and so they get spread over a bigger area and so heating
is less intense.
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Agricultural science is a broad multidisciplinary field that encompasses that parts of exact, natural, economic and social sciences that are used in the practice and understanding of agriculture. Agriscience- Is the application of scientific principles of agriculture.
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The list can grow extremely large, so some examples only are provided below -Things that emit Natural Light - Stars - The Moon (the Sun reflects off the Moon at night. The moon doesn't directly emit it's own light) - Lightning - Dismalites (Larve of the Orfelia Fultoni worms which emit light to a…
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The price constantly changes but it ranges from $150 to $210 per kilogram. This is a commercial material that most likely cannot be purchased except in lots of at least 10 pounds. At current prices in September 2012, the price comes to $68 to $95 oer pound.
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Swamp gas is composed of multiple gases but is primarily methane.
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The Iodine test uses Iodine solution, which is usually a brown colour. It is used to test for the presence of Starch. Iodine solution, iodine dissolved in an aqueous solution of potassium iodide, reacts with starch producing a blue black color. If the sample being tested doesn't turn blue-black, the…
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Best woould be subjective. However, one good example is to demonstrate effects of a liquid on plant growth. The liquid can be one or more items, such as detergent, antifreeze, and other products.
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Suspending agents may be used in many different processes. The types of suspending agents will depend upon the processes, with the most common being used in paint. These are also used in production of plastics and other materials. The actual count for how many types cannot be determined.
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Mercury vapour gives out several colours of different wavelength the rings formed with different colours would get overlapped and so chaotic image will be there. Therefore, it will require that you use light filters, yellow, green and blue for the different spectral lines, then you get monochromatic…
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Primitive Man is a fairly broad definition but generally any contributions need to be limited to approximately the past 24,000 years. Man's earliest contributions to science can be found after man no longer might be considered primitive, at 12,000 years ago, Some metallurgy, copper and gold, also sh…
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Yes, sports involve a lot of science. Different sciences are significant for different sport. Physics plays an important role. Some factors considered by the sicences include air resistance, speed, angles, and weather.
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Angular velocity just means how fast it's rotating.
If youaa want more angular velocity, just rotate it faster or
decrease the radius (move it closer to the center of rotation).
Just like force = rate of change of momentum, you have torque=
rate of change of angular moment
Or
We can increase the…
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Salt water does cool faster than pure water.
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it is a substance made of glass having 3 dimensions and is cuboid shaped. It does not deviate the light. This means that the incident and the emergent ray are parallel. The slab only produces lateral (sideways) shift or displacement.
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Scientists generally agree it is not harmful except if the
intensity is enough to cause heating of the tissues. For example a
microwave cooker produces enough heat to cause harm, which is why
the door cannot be opened while it's switched on. However it is a
controversial subject that includes use of…
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The most obvious electrical waste is appliances running that are not actually in use - televisions running while no one is watching, computers turned on when not in use, and lights on when no one is in the room as som examples.Ghost power is also responsible for waste. Ghost power is the power consu…
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5 examples of gases found in the normal home environment include;
oxygen (air), nitrogen (most abundant element found in the air),
carbon dioxide (air and the bubbles in fizzy drinks), argon in air
and finally, methane if there is a gas supply, or propane or butane
in fuel gas bottles.
Carbon monox…
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Scientific observation is the collection of scientific evidence. It is the act of noting certain aspects of something through scientific study. So one might, for example, observe that the Sun appears to travel across the sky. Inference is the act of taking some known evidence and then reasoning a f…
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