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Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Construct and experiment with a periscope using reflected light rays to gather an image.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this activity, your child will be challenged to make a tower using paper cups.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

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!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.