Search 5th Grade Physical Science Science Projects

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea produces varying pitches of sound.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to build a basic radio.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.