This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Do you think heat can affect a plant's growth rate?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this project children practice the scientific method while playing with puffy paint.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea investigates how the shape of an object affects drag.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea compares biodiversity between drops of water.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Cleaning can be a chore, but not with this sudsy experiment!

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