Do you think heat can affect a plant's growth rate?

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Plants and light seem to be good buddies, but how far does the friendship really go?

Is it a square or a circle? See if you can trick your friends with this zany science project!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Word color association is just a fancy way to talk about the way we connect colors with words.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.