Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

In this activity your child will create their very own marble maze!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this design challenge, your child will make a bottle rocket using typical household items.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea explores how length affects the weight a bridge can hold.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.