Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science project examines the history of earthquakes and what we can do to prevent future disasters.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea produces varying pitches of sound.

An home science experiment for older students that teaches about the science behind heat.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.