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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

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

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.

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

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

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

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.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

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

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.