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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Use pepper and soap to discover some fun facts about the properties of water.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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