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.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea experiments with spinning color wheels and optical illusions.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Give your budding young observers a chance to discover simple machines at use in their own home.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

This science fair project idea provides evidence that air is everywhere and takes up space.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Make a backbone model to explore human anatomy and life science.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.