What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Discover which fabrics shrink the most in the wash and why.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this project, a magnet is used to collect iron from breakfast cereals.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Here's a science activity to help your child investigate how seeds are designed to travel.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

The project determines which laundry detergent is best for cleaning clothes.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

In this project, waves of vibrations are experimented with using water in glasses.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

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 compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Construct batteries that make electricity from fruits with this fun science fair project.

The project investigates how friction affects motion by using different surface textures.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.