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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Play tic-tac-toe and help your kid memorize multiplication facts!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Children will reflect on how community service makes us better people. Then they will complete a service survey to gain a better understanding of their interests, gifts, and their potential role as a service worker in their community.

Practice math facts with your third grader was never so simple! This activity makes addition, subtraction, multiplication, and even division a lot more fun!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project compares the strength of one, two, and three-ply toilet paper.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Try these story starters - creativity and sequencing skills combine to create wild stories that will have the whole family in stitches!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

In this activity, your child will explore the differences between facts and opinions. Together, you will go on a scavenger hunt in your home and play the role of detectives in search of facts.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.