Preschool - 4th Grade Science Resources : Page 30

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.