Preschool - 3rd Grade Science Resources : Page 20

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.

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.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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.

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

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

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.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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.