How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Help your child learn about animal classification with this fun and delicious activity.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.