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What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Give your budding young observers a chance to discover simple machines at use in their own home.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

This project compares the strength of one, two, and three-ply toilet paper.

This simple experiment serves as an introduction to the greenhouse effect.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Engineers in training can get started with this simple wheel-and-axle construction activity.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.