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Physics of Pool: Elastic Collision of Equal Masses

The final shot in the pool game is yours, but the cue and the eight ball aren’t nicely lined up with any of the pockets. Looking around, the closest pocket is 45 degrees off the line between the two b ...

Projectiles Launched at an Angle

Throwing a ball to a friend or shooting a cannon are both examples of projectile motion. Gravity is a force that acts upon objects, drawing them towards the center of the Earth at 9.81 m/s2. Horizonta ...

How to Make a PVC Pipe Instrument

Sound is a neat thing. It’s really just vibrations in the air, but with it you can hear music, speech, movements, actions, trains, planes, and cars. Sound is often measured by its frequency. Frequency ...

Calculate the Mass of the Earth

Mass is a measure of how much matter, or material, an object is made of. Weight is a measurement of how the gravity of a body pulls on an object. Your mass is the same everywhere, but your weight woul ...

What Direction Should Solar Panels Face?

Imagine you’re installing a new array of solar panels for an energy-conscious company in California. You want the largest amount of sunlight possible to reach the panels. The panels are fixed, so you ...

Which Plants can Resist Walnut Tree Allelopathy?

This science fair project will compare the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.It is an educational content by education.com.By clicking ...

Natural Herbicide vs. Commercial Herbicide

Allelopathic substances work like herbicides, preventing the germination and growth of the seedlings of competing plant species. The research aspect of this science fair project is to compare the natu ...

Which Part of the Walnut Tree Contains the Greatest Concentration of Allelopathic Substances?

This science project is to discover which tree tissue contains the most concentrated amount of Juglone.It is an educational content by education.com.By clicking on the title of this resource, you will ...

Do Insecticides Stunt Plant Growth

In this experiment, we will find out whether insecticides stunt plant growth or make no difference.It is an educational content by education.com.By clicking on the title of this resource, you will be ...

Colored Light and Chlorophyll

How do green plants become green? They actually use light to create a pigment called chlorophyll, which gives them their green color. But which wavelengths of light allow them to create chlorophyll? F ...

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