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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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?

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same 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 science fair project, students use the streak test to tell minerals apart from each other.

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

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Slip some science into storm watching with a homemade rain gauge!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Use pepper and soap to discover some fun facts about the properties of water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.