In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover which fabrics shrink the most in the wash and why.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Learn whether writing things down really makes things easier to remember.

How powerful is the reaction between baking soda and vinegar? Find out here!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this science fair project, students create their own miniature salt flats at home.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea examines which type of insulation holds in the most heat.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea explores substances that cause a bubble to last longer.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.