Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

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!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

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.

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.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th 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 measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

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

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.

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

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

Demonstrate how to tell the age of an egg without having to crack it open.

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