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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

In this project, a basketball containing different psi is dropped to see how well it bounces.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates if fats add to the flavor of food.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.