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Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This experiment will explore the best way to create a perfect soft-boiled egg.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Determine whether the relationship between a personâs armspan and height are genetic.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

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

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

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Examine whether males or females are more likely to have a higher center of gravity.

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 examines how seeds hitchhike on animals and clothing.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.