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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!

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

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

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

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

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

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

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

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

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

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

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!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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!

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!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.