5th - 7th Grade Engineering and Science Inquiry Activities : Page 3

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this project, you will observe and record changes in sunspots over two weeks.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This experiment will evaluate if chewing gum affects students' test performance.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether talking to a plant will help it grow.

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

Check out this cool science fair project on identifying rocks and minerals for kids.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Find out whether packaged seeds actually do expire in this new science fair project idea.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea investigates how color affects temperature.

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

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!

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.