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Learn how different types of soil affect how animal tracks form in this experiment!

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

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

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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 project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Determine if gender affects the ability to identify different smells.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project idea compares biodiversity between drops of water.