In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

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

This science fair project idea investigates how different disinfectants work in killing germs.

This project is about after-images and what possibly affects them.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This science fair project idea produces varying pitches of sound.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

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

This science fair project idea explores how water and ice can change the form of rocks.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

In this science fair project, students use the streak test to tell minerals apart from each other.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project teaches students about wilting and browning of salad greens.