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

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Discover whether a metal will expand under hot water.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

This science fair project idea compares the cuteness reaction between genders.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Science fair project that uses distillation to convert salt water into fresh water.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Find out which type of sponge holds the most water.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.