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?

Find out whether putting something on top of a plant will inhibit its growth.

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.

An home science experiment for older students that teaches about the science behind heat.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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!

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Create a bee garden to help shelter bees in your area.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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!