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This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea investigates the difference in reaction times between boys and girls.

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

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines the reason boats are shaped and engineered.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project idea explores the egg's thin membrane.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This project investigates the affect of storage temperature on microwave popcorn.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.