Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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.

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 project, different brands of microwave popcorn are tested and compared.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This experiment tests which gender is better at catching how a magician performs his tricks.

In this project, the affects of vitamin E are observed on a rose petal.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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.

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

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!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

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.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.