1st - 4th Grade Science Resources : Page 21

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea demonstrates that plants give off water.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Science fair project that examines condensation and the conditions needed in order for dew to form.