Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Start your toy engines -- this is going to be a fast and friction-filled race!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This science fair project teaches students about wilting and browning of salad greens.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project idea determines which method of hand cleansing is the most effective.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.