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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This science fair project idea produces sounds by creating vibrations using different objects.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

This experiment will examine and precisely measure the amount of sugar in various sodas.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.