Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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?

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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?

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

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

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

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.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

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!