Is it a square or a circle? See if you can trick your friends with this zany science project!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Learn about nature by making your own mini moss garden.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.