In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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.

In this activity your child will create their very own marble maze!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this project students experiment with making music using only glasses of water.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Find out which kind of bubble wrap fares best when put in impact.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

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

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.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.