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!

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Make a spring collage with your child to get them outside and those creative juices flowing!

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

Help your child make a beautiful homemade sandcastle that will last!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!