Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that uses distillation to convert salt water into fresh water.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

The project researches how lubricants affect the mechanical advantage of a pulley.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

This science fair project idea determines the probability of a coin landing heads or tails.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.