Engineering and Science Inquiry Resources : Page 22

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.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Examine the impact of insecticides on plant growth.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project that explores the natural process of limestone formation.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.