This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

Use pepper and soap to discover some fun facts about the properties of water.

In this fun experiment, we'll find out how color affects heat absorption!

Construct batteries that make electricity from fruits with this fun science fair project.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!