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Science
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.
203,801 Questions
What is a Hilton garden inn evolution room?
Oh honey, a Hilton Garden Inn Evolution Room is just a fancy way of saying it's a renovated room at a Hilton Garden Inn. They probably added some new furniture, updated the decor, and maybe even threw in a new coffee maker. It's like putting lipstick on a pig, but hey, at least it's a slightly fancier pig.
What is the melting point of a chicken eggshell?
Well, darling, the melting point of a chicken eggshell is around 158 degrees Fahrenheit. So, unless you're trying to fry up some eggs on a scorching hot sidewalk, I suggest sticking to a good ol' frying pan.
Sulfur is an essential mineral that plays a role in various bodily functions, including enzyme activity, protein structure, and metabolism. It is also found in certain amino acids and is important for maintaining healthy skin, hair, and nails. Additionally, sulfites (sulfur compounds) are commonly used as preservatives in food and beverages.
What is the solid substance that falls out of a solution?
It is called precipate. Precipitate is an insoluble solid and is formed during a chemical reaction. Hope this helped!
Hardened lava is called igneous rock. When lava cools and solidifies, it forms igneous rock through the process of crystallization. This rock can have different textures and compositions depending on the speed of cooling and the mineral content of the original lava. Examples of igneous rocks formed from lava include basalt, andesite, and rhyolite.
Where is the effort and the load and the fulcrum on a ladder?
Principally, a lever is a board, with some kind of object on one side that you want to move up, this it the load. and the effort is the force you exert either, down on the other side of the fulcrum, or up on the same side. there are three classes of levers, class 1 class 2 and class 3
class one, look at a seesaw, the fulcrum is the part holding it up in the middle, this is it's central balanceing point, weight of one person on one side will push down and make the other side go up, but if there are two people, the one that weighs more will go down because he has the most weight pressing down on his side.
class 2, imagine having the same seesaw, but noibody on it, now sombody stands on one side, and then walks closer to the fulcrum and stays there, if you hold the far end and puch up, you are exerting force on the same side of the fulcrum, but your pushing him up. if you can move the fulcrum farther away from the person your pushing up, it will take less effort to push him just as high.
class three, the seesaw has nobody on it, your friend steps onto one side of the farthest point, and you start pushing up from the same side of the fulcrum, but the different side of him, it's a class 2, but you are closer to the fulcrum then the weight, this is a class three.
examples:
class 1: seesaw (the way kids play on them)
class 2: I can't think of a good example.
class 3: catapult >.<
How do you separate the coloured dyes in an ink?
Colored dyes in an ink can be separated using techniques such as chromatography, where the dyes are dissolved and then separated based on their different affinities for the mobile and stationary phases. Another method is distillation, which involves heating the ink to separate the dyes based on their boiling points.
Why does a diamond change directly from a solid state to a gaseous state?
this is a property of some substances in which they directly change from solid to liquids called sublimation
another example is naphthalene balls
Sublimation = solid - gas
the solid is called sublimate
Not exactly. Light from the sun consists of electromagnetic radiation. We can tell this is so because sunlight has a range of colours emitted, which has wavelengths that are within EM spectrum.
What happens when you take the globe off a plasma ball?
When you remove the glass globe from a plasma ball, the electric field inside the ball disperses into the surrounding air, causing the plasma filaments to retract and disappear. This disrupts the circuit that maintains the plasma inside the globe, resulting in the ball turning off.
What is the name of a scientist that studies the environment?
Answer Most likely it would be specific to a field - environmental geologist, or whichever field the person is focusing on. There are degrees in environmental science too... Answer You call them an environmentalist! Answer enviromentalist Answer enviromentalist
In addition it could also be a Geo-scientist as follows: Geoscientists study the composition, structure, and other physical aspects of the Earth. They study the Earth's geologic past and present by using sophisticated instruments to analyze the composition of earth, rock, and water. Many geoscientists help to search for natural resources such as groundwater, metals, and petroleum. Others work closely with environmental and other scientists to preserve and clean up the environment.
Geoscientists usually study and work in one of several closely related fields of geoscience. Geologists study the composition, processes, and history of the Earth. They try to find out how rocks were formed and what has happened to them since their formation. They also study the evolution of life by analyzing plant and animal fossils. Geophysicists use the principles of physics, mathematics, and chemistry to study not only the Earth's surface, but also its internal composition, ground and surface waters, atmosphere, oceans, and magnetic, electrical, and gravitational forces.
Within these two major disciplines of geology and geophysics are numerous subspecialties. For example, petroleum geologists map the subsurface of the ocean or land as they explore the terrain for oil and gas deposits. They use sophisticated instrumentation and computers to interpret geological information. Engineering geologists apply geologic principles to the fields of civil and environmental engineering, offering advice on major construction projects and assisting in environmental remediation and natural hazard-reduction projects. Mineralogists analyze and classify minerals and precious stones according to their composition and structure. They study the environment surrounding rocks in order to find new mineral resources. Sedimentologists study the nature, origin, distribution, and alteration of sediments, such as sand, silt, and mud. These sediments may contain oil, gas, coal, and many other mineral deposits. Paleontologists study fossils found in geological formations to trace the evolution of plant and animal life and the geologic history of the Earth. Stratigraphers examine the formation and layering of rocks to understand the environment which formed them. Volcanologists investigate volcanoes and volcanic phenomena to try to predict the potential for future eruptions and hazards to human health and welfare. Glacial geologists study the physical properties and movement of glaciers and ice sheets. Geochemists study the nature and distribution of chemical elements in groundwater and earth materials.
Geophysicists specialize in areas such as geodesy, seismology, and magnetic geophysics. Geodesists study the Earth's size, shape, gravitational field, tides, polar motion, and rotation. Seismologists interpret data from seismographs and other geophysical instruments to detect earthquakes and locate earthquake-related faults. Geomagnetists measure the Earth's magnetic field and use measurements taken over the past few centuries to devise theoretical models that explain the Earth's origin. Paleomagnetists interpret fossil magnetization in rocks and sediments from the continents and oceans to record the spreading of the sea floor, the wandering of the continents, and the many reversals of polarity that the Earth's magnetic field has undergone through time. Other geophysicists study atmospheric sciences and space physics. (See the statement on atmospheric scientists, and physicists and astronomers, elsewhere in the Handbook.)
Oceanographers use their knowledge of geology and geophysics, in addition to biology and chemistry, to study the world's oceans and coastal waters. They study the motion and circulation of the ocean waters; the physical and chemical properties of the oceans; and how these properties affect coastal areas, climate, and weather. Oceanographers are further broken down according to their areas of expertise. For example, physical oceanographers study the tides, waves, currents, temperatures, density, and salinity of the ocean. They examine the interaction of various forms of energy, such as light, radar, sound, heat, and wind, with the sea, in addition to investigating the relationship between the sea, weather, and climate. Chemical oceanographers study the distribution of chemical compounds and chemical interactions that occur in the ocean and on the sea floor. They may investigate how pollution affects the chemistry of the ocean. Geological and geophysical oceanographers study the topographic features and the physical makeup of the ocean floor. Their knowledge can help companies find oil and gas off coastal waters. (Biological oceanographers, often called marine biologists, study the distribution and migration patterns of the many diverse forms of sea life in the ocean; the statement on biological scientists discusses this occupation elsewhere in the Handbook.)
Geoscientists in research positions with the Federal Government or in colleges and universities frequently are required to design programs and write grant proposals in order to fund their research. Geoscientists in consulting jobs face similar pressures to market their skills and write proposals so that they will have steady work.
Work environment. Geoscientists can spend a large part of their time in the field, identifying and examining rocks, studying information collected by remote sensing instruments in satellites, conducting geological surveys, constructing field maps, and using instruments to measure the Earth's gravity and magnetic field. They often perform seismic studies, for example, which involve bouncing energy waves off buried layers of rock, to search for oil and gas or to understand the structure of the subsurface layers. Similarly, they use seismic signals generated by an earthquake to determine the earthquake's location and intensity. In laboratories, geologists and geophysicists examine the chemical and physical properties of specimens. They study fossil remains of animal and plant life or experiment with the flow of water and oil through rocks.
Some geoscientists spend the majority of their time in an office, but many others divide their time between fieldwork and office or laboratory work. Work at remote field sites is common. Many geoscientists, such as volcanologists, often take field trips that involve physical activity. Geoscientists in the field may work in warm or cold climates and in all kinds of weather. In their research, they may dig or chip with a hammer, scoop with a net, and carry equipment in a backpack. Oceanographers may spend considerable time at sea on academic research ships. Geologists frequently travel to remote field sites by helicopter or 4-wheel-drive vehicles and cover large areas on foot. Many exploration geologists and geophysicists work in foreign countries, sometimes in remote areas and under difficult conditions. Travel often is required to meet with prospective clients or investors. Fieldwork often requires working long hours.
Source: Department of Labor
How do you write a paragraph about my school in french?
I'd start by writing in French, not trying to write in English and translate.
Start by saying what school you go to. Then tell where the school is. Then talk about what kinds of students there are and what you learn. Then say if you like the school or not. That would be a good paragraph.
Why does the Appalachian mountains have many excellent harbours?
Oh, dude, the Appalachian mountains don't have harbors. They're like, mountains. Harbors are usually found near bodies of water like oceans or lakes, not on top of mountains. So, yeah, no excellent harbors in the Appalachian mountains, sorry to burst that bubble.
What is the significance of February 2 to meteorology?
February 2 is Groundhog Day, a tradition that is believed to be linked to meteorology because it is said that if a groundhog sees its shadow on this day, there will be six more weeks of winter. This event has become a fun way for people to engage with weather folklore and predictions.
What metal does haematite make?
Hematite is primarily composed of iron oxide, which is a form of iron that gives the mineral its characteristic metallic luster. When hematite is processed, it can also contain small amounts of other metals and elements depending on its specific composition and origin.
When a chocolate bar melt in the sun is that a physical change or a chemical change?
When a chocolate bar melts in the sun, it is a physical change. This is because melting is a reversible process in which the chocolate changes from a solid to a liquid state due to the increase in temperature. No new substances are formed during this process, making it a physical change rather than a chemical change.
How many pounds of scallops are in a gallon?
The weight of scallops can vary depending on their size and water content, but on average, there are approximately 5 pounds of scallops in a gallon. This estimation is based on the fact that scallops are typically sold by the gallon in the seafood industry, and a gallon-sized container usually holds around 5 pounds of scallops. It's important to note that this is a rough estimate and the actual weight may vary slightly.
What is 11.5 rounded to the nearest whole number?
When rounding 11.5 to the nearest whole number, you look at the digit immediately to the right of the decimal point, which is 5. Since 5 is equal to or greater than 5, you round up. Therefore, 11.5 rounded to the nearest whole number is 12.
What kind of liquid is in a hand boiler?
A hand boiler typically contains a low-boiling point liquid such as ethyl alcohol or a mixture of alcohol and water. When the hand boiler is held, the liquid inside heats up quickly due to the warmth of the hand and appears to boil and rise up through a small tube in the center.
What is the English name for argentium?
Silver. Argentium comes from the Latin for silver, which is Argentum. Hence the chemical symbol for silver is 'Ag'.
NB The country 'Argentine' is so named as the first Spanish explorers found silver there.
What is an insoluble substance that is separated from water by filtration?
An example of an insoluble substance that can be separated from water by filtration is sand. When water containing suspended sand particles passes through a filter, the sand particles are trapped by the filter and the clean water can pass through.
What unit of speed is used to express the speed of tortoise?
The unit of speed commonly used to express the speed of a tortoise is meters per second (m/s) or kilometers per hour (km/h). This unit measures the distance the tortoise travels in a given amount of time. The speed of a tortoise is typically much slower compared to other animals, such as cheetahs or horses.
Why does shopkeeper prefer to keep deflated footballs rather than inflated ones?
An inflated football is under constant pressure (force/area) that eventually degrades it due to fatigue.
How long does it take for 1 cup of water to evaporate?
It depends on the temperature and humidity in the area surrounding the cup. The hotter it is, the quicker the water will evaporate.
If it is cold then the water will evaporate slowly. Too cold and it will freeze. But even ice evaporates although slowly.
