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 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.

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!

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

In this science fair project you will make a model of a cell membrane using very simple material.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

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

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.