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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Create a self-portrait from natural materials in this collage craft activity!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Plant a mini herb garden and teach your child about science and nature.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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!

This science fair project teaches students the differences between fruits and vegetables.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.