3rd - 8th Grade Engineering and Science Inquiry Activities : Page 5

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!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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 project idea explores which fruit molds the fastest.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.