4th - 6th Grade Science Activities : Page 2

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Take a dive into the candy jar with this yummy science experiment.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Learn all about balance and motion as your child designs a corn maze!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair project idea investigates how color affects temperature.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This experiment will evaluate if chewing gum affects students' test performance.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this project, you will observe and record changes in sunspots over two weeks.

This project examines whether people's taste perception is influenced by what they see.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.