In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

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

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.