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The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project idea determines the most effective method of preserving food.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Do different types of oil mix or stack? Find out in this science fair project idea!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

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.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This project examines what types of objects burn and which burn faster and cleaner.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea produces varying pitches of sound.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

This science fair project idea examines whether boys and girls differ in reflexes.

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.