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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This science fair project idea determines what household items are good conductors of electricity.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This science fair project idea determines what household items are good conductors of electricity.

Transform your uncomfortable wooden shoes into charming mini planters!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Making your own glass cleaner is easy, effective and inexpensive!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this project students experiment with making music using only glasses of water.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Is your child a young ornithologist in the making?