Engineering and Science Inquiry Activities : Page 21

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

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 social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

This experiment evaluates if personality affects the type of movies that people prefer.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This science fair project idea investigates how color affects temperature.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

Free science fair project idea examining how different types of water affect plant germination and growth.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Construct and experiment with a periscope using reflected light rays to gather an image.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.