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This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project compares the strength of one, two, and three-ply toilet paper.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea investigates whether plants can survive being frozen.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this design challenge, your child will create a parachute for a small toy using typical household items.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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