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.

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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 recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

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

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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.

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

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!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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 be a bird scientist in this simple project of watching feathered friends in their habitat.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!