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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

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.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

The goal of this project is to create an exciting topographical map out of dough.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines what household items are good conductors of electricity.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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