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Reptiles are cold-blooded, meaning that most species of reptiles are unable to generate their own heat. This requires them to regulate the amount of heat they absorb. One method that reptiles use for thermoregulation, which is the regulation of their body temperature, is to move into the shade or water when their body temperature is high, or to bask in the sun when they are too cold and need
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Dry ice is frozen Carbon Dioxide, or CO2, which is a gas under standard temperature and pressure conditions. The atmosphere contains about .035% of this gas. CO2 is a greenhouse gas, which means it absorbs light at infrared wavelengths. An increase in the concentration of this gas would, some scientists believe, cause an increase in the atmosphere's average temperature. The high concentration
Difficulty: Middle school
You may wish to do this demonstration outside. This apparatus will use air pressure to propel tephra (sand) into the air. A fan disperses the tephra downwind where it accumulates to form a cinder cone. Visibility of the tephra is enhanced if a white sheet or cardboard is used as a backdrop and drop cloth.
Difficulty: High school
By following these steps, you will have created the conditions necessary for cloud formation: water vapor in the air, smoke particles for water to collect on, and cooling of the air by lowering the air pressure within a bottle.
Difficulty: Elementary school
What is air pressure? Did you know you can make something that will measure air pressure? You can actually do a bit of weather predicting from a simple made-at-home piece of equipment.
Difficulty: Elementary school
The objective of this science fair project is to compare the ability of different brands of bicycle helmets to absorb shock. The experiment will be carried out by dropping a 3 kg weight on the helmets and measuring the pressure of the impact using a ball and pressure gauge.
Difficulty: Middle school
The purpose of this experiment is to find out the use of air pressure in the padding of the helmet and how different amounts of air pressure would affect its wearer. American football is a very physical sport which involves body to body contact and human to human collision. In order to protect the player’s body from being injured, various safety features are implied onto the player’s attire
Difficulty: Middle school
We often read in road safety guides and magazines that we should always ensure that the tires on our cars are properly inflated with the correct amount of air pressure. Aside from affecting safety, under-inflated tires supposedly result in higher fuel consumption. This science fair project was conducted to determine if this is indeed true – ie: how does tire pressure affect the gasoline mileage
Difficulty: High school
The purpose to this activity is to demonstrate to the students the direct affects of pressure and temperature on cloud formation.
Difficulty: Elementary school
The purpose of this experiment was to determine the difference between exercising and the resting blood pressures of young teenagers. The information gained from this experiment could be helpful to coaches, doctors or medical employees to better identify the effect that exercise has on a young teenager’s blood pressure.
Difficulty: Middle school
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