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Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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 science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Introduce your child to science with something they see everyday--their shadow!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea explores the different properties of matter.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.