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

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

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Here's a science activity to help your child investigate how seeds are designed to travel.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.