This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this activity your child will create their very own marble maze!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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 outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

In this experiment, the weight of aluminum cans will be compared.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

In this project, waves of vibrations are experimented with using water in glasses.

The project is to investigate yeast fermentation and its results on hand of latex balloons.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this project, the affects of vitamin E are observed on a rose petal.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

The project determines which laundry detergent is best for cleaning clothes.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.