Kindergarten - 3rd Grade Science Projects Activities : Page 4

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates the hardness property of minerals.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea determines which method of hand cleansing is the most effective.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project teaches students the differences between fruits and vegetables.

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 project compares the strength of one, two, and three-ply toilet paper.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.