How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Learn all about balance and motion as your child designs a corn maze!

In this project children practice the scientific method while playing with puffy paint.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Test whether plants can grow without sunlight and water.

This activity is a fun challenge for students who have just started learning to program educational robots.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.