This science fair project idea investigates whether plants can survive being frozen.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Determine if gender affects the ability to identify different smells.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.