This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

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

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

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

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.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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.

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

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.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

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

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

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.