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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

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.

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.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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

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 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

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Introduce your child to science with something they see everyday--their shadow!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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

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

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 child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!