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In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

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.

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.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

The objective of this science project is to determine the length of time for different seeds to germinate.

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

In this activity your child will create their very own marble maze!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

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

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

This science fair project teaches students about wilting and browning of salad greens.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

In this activity, your child will be challenged to make a tower using paper cups.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.