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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
Is tellurium a solid liquid or gas at room temperature?
Tellurium is a solid at room temperature. It melts at 449.51 degrees Celsius (841.12 degrees Fahrenheit) and boils at 988 degrees Celsius (1810 degrees Fahrenheit).
What is the swamp temperature?
The temperature in a swamp can vary depending on location, time of year, and time of day. On average, swamp temperatures can range from 10°C to 30°C (50°F to 86°F) but can fluctuate based on environmental factors.
How does a blizzard dissipate?
A blizzard dissipates when the conditions that sustain it, such as strong winds and heavy snowfall, weaken. This can happen as the storm system moves away, or when warmer air moves into the region, causing the snowfall to decrease and the winds to calm.
What name is given to the study of heavenly bodies?
The study of heavenly bodies is known as astronomy. Astronomers observe and analyze the stars, planets, galaxies, and other celestial objects to better understand their composition, behavior, and interactions.
Is vaseline flammable when used with oxygen therapy in hospital?
Yes, Vaseline is flammable and should not be used with oxygen therapy in a hospital setting. Oxygen supports combustion, and applying Vaseline in oxygen-rich environments can increase the risk of fires. It is important to use oxygen-compatible products in these situations.
How fast does salt dissolve in water?
Salt dissolves in water relatively quickly, with the rate of dissolution depending on factors such as temperature and stirring. In general, table salt can fully dissolve in water within a few minutes if the water is agitated or warm.
How long are hurricane names get used for and does it get used again?
Hurricane names are reused every 6 years unless a particular storm is extremely deadly or costly, in which case the name is retired. Once a name is retired, it is replaced with a new one to avoid confusion and to honor the lives lost in the storm.
Which brand of gum molds the fastest?
The rate at which gum molds depends on various factors such as moisture content, temperature, and ingredients used. Generally, gums with higher moisture content and softer textures may mold faster than drier and harder gums. However, no specific brand can be stated as molding the fastest as results may vary depending on the storage conditions.
Coal does not have a fixed melting point because it undergoes a process called softening before it turns into a liquid. However, coal typically starts to soften and decompose around 400-500 degrees Celsius.
Do plants grow better in the dark or light?
Plants grow taller in the dark. however they are a lot more healthy growing in the light.
This because in the absence of light, cells in plant stems grow rapidly and leaf growth is therefore suppressed. If you take a closer look or let a plant continue to grow in the dark, you may notice thin and weak stems. One may also discover that without light, leaves tend to be small and pale, as they lack the green pigment, chlorophyll, and thus the ability to make food or photosynthesize. Whereas the one in the light slows its growth rate so that it can make leaves to photosynthesize.What is the function of respiration?
Respiration is the process by which organisms take in oxygen and release carbon dioxide. This process generates energy for cellular activities through the breakdown of glucose molecules. The primary function of respiration is to produce ATP, the energy currency of cells, which is required for various metabolic processes.
What happens when you put a soda can with boiling water into a bowl full of room temp water?
The sudden change in temperature can cause the can to implode. As the can cools rapidly, the air inside contracts, creating a vacuum that crushes the can. This happens because the air pressure outside the can is greater than the pressure inside the can.
What does the National Weather Service say about a tornado before it happens?
I'm not exactly too sure what they would say but if you turned on your TV at the time I'm sure they would say something like this: "A tornado has been spotted in Oklahoma. Take shelter immediately." They would definitely warn of the on-coming storm.
Even the NWS doesn't know there IS going to be a tornado until it has formed. Whenever weather conditions that may produce tornadoes exist, they issue a "Tornado Watch" for the area. They monitor their equipment (especially the dopler radar) to determine where one MAY be forming and which direction it will travel if it forms. Once a funnel cloud has formed, they issue a "Tornado Warning" and predict it's path.
Which gas often create more air pollution?
Nitrogen oxides (NOx) are a common group of gases that contribute to air pollution, often produced from vehicle emissions and industrial processes. They can react with other pollutants in the atmosphere to form harmful compounds such as ozone and smog.
The nucleus is the control center of the cell, responsible for storing and protecting the cell's DNA. It regulates gene expression and controls cell activities by sending out specific instructions to the rest of the cell.
What is the function of pipette?
A pipette is a laboratory tool used to accurately measure and transfer small volumes of liquid. It is commonly used in biology, chemistry, and other scientific disciplines for tasks such as mixing reagents, preparing samples, and conducting experiments.
C. The tilt of Earth's axis causes seasons to occur in certain zones. The angle at which the Earth is tilted as it orbits the sun affects the amount of sunlight different regions receive, resulting in changes in temperature and weather patterns.
Could never be built as a physical model?
A theoretical concept or an abstract idea that cannot be physically implemented or realized due to factors such as feasibility constraints, technological limitations, or fundamental principles that prevent its construction in the physical world. This could also apply to ideas that are purely speculative or do not conform to the laws of physics.
What is the effect of different kinds of soil on plant growth?
Different types of soil have varied levels of nutrients, texture, and water retention that can affect plant growth. For example, sandy soil drains quickly but may lack nutrients, while clay soil retains water but can be dense and limit root growth. Loamy soil, with a balanced mix of sand, silt, and clay, is generally considered ideal for plant growth as it provides good drainage and nutrient retention.
What are cork cells and their functions?
Why is adding sugar or salt to water in a experiment beneficial to biological system?
It is often desirable to maintain an osmotic balance.
Most cells have a saline (NaCl or KCl) solution inside. If put in a hypotonic bath (pure water), it can cause the cells to be flooded with water and literally explode.
Putting them in a hypertonic solution (too much salt) can cause the opposite effect with water rushing out and the cells shriveling.
While amoebas may be used to clear water, human tissues are used to being bathed in saltwater.
When you use a bar to pick up small iron or steel why do you use the end of the magnet?
Magnets have a polarity which is generated by exposing them to a stronger magnetic field during manufacture.
They can be polarized through any two faces on the magnet.
Typically long skinny magnets are magnetized end to end. Flat magnets are magnetized side to side.
Neodymium magnets are relatively strong, and frequently magnetized between flat faces.
The magnetic field is very weak on the sides, and very strong at the ends (faces that were polarized).
How do you convert cc to milligram?
ACTUALLY YOU CAN!....using a simple word replacement with known values. 1 cc=1mL=16.23 minims (16.23)(1/60)drams (16.23)(1/60)(60)grains (16.23)(1/60)(60)(64.8)milligrams therefore 1cc = 1051.7mg
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The answer above is erroneous.
The milligram is a unit of mass and the cubic centimeter (or millilitre) is a unit of volume; they are not compatible. Mass is equal to the product between volume and density; you need to know the density of material.
Can magnets pushing magnets make a wheel spin?
Yes, magnets pushing against each other can create a force that causes a wheel to spin. This is the principle behind magnetic motors or generators where the interaction between magnets creates rotational motion.
