Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Learn about nature by making your own mini moss garden.

This science fair project will help students learn about non-vascular plants, such as mosses.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Learn all about balance and motion as your child designs a corn maze!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

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 activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.