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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.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

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.

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!

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

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

This science fair project investigates why the number of visible stars changes from place to place.

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.

Learn how different types of soil affect how animal tracks form in this experiment!

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.

Construct and experiment with a periscope using reflected light rays to gather an image.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science project teaches students to classify different shapes of leaves.

Find out whether putting something on top of a plant will inhibit its growth.