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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This science fair project idea demonstrates that plants give off water.

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.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

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

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea investigates if fats add to the flavor of food.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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 design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.