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Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

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

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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.