Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea studies the differences in gender perception between people.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Slip some science into storm watching with a homemade rain gauge!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Here's a science activity to help your child investigate how seeds are designed to travel.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.