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How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Transform your uncomfortable wooden shoes into charming mini planters!

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.

Make this easy composting dessert and then enjoy the yummy results!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

Determine which metal has the highest rate of conductivity.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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