In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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 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.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this project, waves of vibrations are experimented with using water in glasses.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.