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In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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?

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea determines the most effective method of preserving food.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Do different types of oil mix or stack? Find out in this science fair project idea!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea investigates how the shape of an object affects drag.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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