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In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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?

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this science fair project, young children notice and track changes in trees throughout the year.

People have favorite flavors, but what about ants? Which ant food is the most popular?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.