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.

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

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

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

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

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

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 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.

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.

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

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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.

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

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.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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

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

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Test whether plants can grow without sunlight and water.