The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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!

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

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

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.

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

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

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.

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

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

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

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.

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

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

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Demonstrate how to tell the age of an egg without having to crack it open.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea provides evidence that air is everywhere and takes up space.