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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Practice third and fourth grade measurement skills and make a practical holiday gift in the process!

Take a dive into the candy jar with this yummy science experiment.

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Celebrate Earth Day by making a poster that encourages people not to litter.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity your child will create their very own marble maze!

This activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

In this activity, your child will use two powerful questions to investigate a thought and the truth behind it. They will write and perform a skit using mindfulness and these important questions.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair project idea explores the different properties & interactions of sugar molecules.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this fun activity, your child will create their very own solar oven to bake s'mores!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.