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

Find out whether a longer airplane will fly farther or a wider paper airplane.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this project students experiment with making music using only glasses of water.

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

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

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.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.