"Ward's Phenomena Lab Activities"

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Used to investigate wavelength in air.

Designed for Physics and Physical Science experimentation.

Two sets of popular tuning forks are available.

High Quality.

This self-contained apparatus explores wave velocity.

Show relationships between frequency, length, tension and mass

Airtight chamber reveals how sound disappears without air.