This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

The goal of this project is to create an exciting topographical map out of dough.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Use pepper and soap to discover some fun facts about the properties of water.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

In this activity, your child will be challenged to make a tower using paper cups.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

In this fun experiment, we'll find out how color affects heat absorption!