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Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This surprisingly good glue recipe comes from common kitchen items.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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 fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This science fair project idea explores the egg's thin membrane.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?