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This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Make a backbone model to explore human anatomy and life science.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.