Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Find out whether a longer airplane will fly farther or a wider paper airplane.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea determines if the color of light affects the growth of plants.

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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This project investigates the affect of storage temperature on microwave popcorn.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

This science fair project idea explores the egg's thin membrane.

Examine the effect of pressure on carbonation in soda.

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.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.