Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

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.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

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

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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.

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.

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.

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

This science fair project idea investigates whether plants can survive being frozen.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

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