Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Test whether plants can grow without sunlight and water.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this experiment we will be determining whether birds prefer certain colors of seed.

Discover whether a metal will expand under hot water.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

This science fair project idea investigates how magnetism can defy the force of gravity.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea demonstrates that plants give off water.