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The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Make these homemade shell fossils and introduce your child to the wonders of science!

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea demonstrates how our fingers prune when in water.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Make this easy composting dessert and then enjoy the yummy results!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Here's a simple science activity that will help your child better understand how wells bring us water.