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This experiment was performed to demonstrate the differences in strength of air and water pressure. The experiment was done using empty soda cans to show the effects of differences in air and water pressure work.
Difficulty: Middle school
This experiment was performed to demonstrate how heat can be transferred from one surface to another by thermal conduction. The experiment was done by comparing the effect of fire on a balloon filled with air and one filled with some water.
Difficulty: Middle school
Light has a dual nature: it has the characteristics of both waveforms and particles. This science project was conducted in order to help us better understand the dual nature of light. This paper explains the double split experiment which is also known as Young's experiment, and how the experiment demonstrates the waveform nature of light.
Difficulty: High school
project demonstrates a basic concept of engineering to help us understand why certain shapes are used, and which shapes withstand the most force.
up the larger ball first. The larger magnitude, be it weight, height, cost, or temperature, will make the smaller magnitude seem proportionally smaller than it actually is. The opposite is true as well. A smaller magnitude will make the larger magnitude appear larger than it is. In this experiment you will demonstrate this phenomenon in experimental conditions.
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to recall the details of the image. Results of the experiment will demonstrate if music actually makes a difference in memory, and if so, whether this differs between genders.
Ever see water striders (A type of insect) travel across the surface of pond water? Have you ever seen what happens when you add oil to water? Both examples demonstrate the concept of surface tension, a condition where the molecules of a substance are so closely attracted to each other that they form a barrier. The clinging water molecules form a barrier strong enough to support both the water
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In this investigation, amylase is the enzyme, and starch is the substrate, i.e. the substance it acts upon. In fact this work should add to your knowledge about the process of digestion which occurs in your body. This practical work is designed to give you some experience about: i) how enzymes work, using amylase as an example ii) what a "control" experiment tells you iii) how to carr
Difficulty: High 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
The apparatus consists of a heavy object that is dragged steadily with an elastic cord. Although pulled with a constant velocity, the heavy object repeatedly slides and then stops. A small vibration sensor, attached to a computer display, graphically monitors this intermittent motion.
Difficulty: High school
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