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.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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

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.

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.

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.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

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.

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!

Here's a simple science activity that will help your child better understand how wells bring us water.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

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

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

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.