How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Find out which type of sponge holds the most water.

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

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this activity, your child will be challenged to make a tower using paper cups.

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea demonstrates that plants give off water.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

In this science fair project, students use the streak test to tell minerals apart from each other.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?