Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

Help your child make a beautiful homemade sandcastle that will last!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Make a spring collage with your child to get them outside and those creative juices flowing!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

This science experiment has students test whether a snail moves faster on concrete or dirt.