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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!

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science fair project idea investigates the difference in reaction times between boys and girls.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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:

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

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.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

Have your child kick off their summer vacation by making a miniature water slide!

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!