This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project idea researches the effects of acid rain on plant growth.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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 fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project teaches students about wilting and browning of salad greens.

Science fair project that determines whether mass and weight are the same or different.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.