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Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Think about the adaptive utility of an important aspect of our physiology.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Do you think heat can affect a plant's growth rate?

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.