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With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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 explores the different properties & interactions of sugar molecules.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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