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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

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.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

The project determines which type of birds prefer which type of birdseed.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Do you think heat can affect a plant's growth rate?

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.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

The objective of this science project is to determine the length of time for different seeds to germinate.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea explores substances that cause a bubble to last longer.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Learners hypothesize about and experiment with soil erosion in this hands-on activity.