In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Science fair project that compares tap water and bottled water for the presence of common impurities.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

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

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

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

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.