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What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.