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

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

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.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Plants and light seem to be good buddies, but how far does the friendship really go?

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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 classic children's game demonstrates how sound travels through air vs. through a solid.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn all about balance and motion as your child designs a corn maze!

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!