In this experiment we use Scotch Guard to make sand that resists water.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

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

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea examines the reason boats are shaped and engineered.

Examine the connection between temperature and chemiluminescence.

Science fair project that determines whether moths are attracted to one color of light more than others.

The purpose of this science fair project is to build a basic radio.

Learn how different types of soil affect how animal tracks form in this experiment!

This science project teaches students to classify different shapes of leaves.

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.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

This science fair project investigates how temperature of a room affects the burn rate of a candle.