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Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

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

Use pepper and soap to discover some fun facts about the properties of water.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Discover whether a metal will expand under hot water.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science experiment has students test whether a snail moves faster on concrete or dirt.