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.

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!

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

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.

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.

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.

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 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!

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!

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

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

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.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!