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Is it a square or a circle? See if you can trick your friends with this zany science project!

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

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 fair project idea explores whether white light can be separated into different colors.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project investigates the affect of storage temperature on microwave popcorn.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Make a backbone model to explore human anatomy and life science.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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