HEAT, LIGHT, SOUND AND ELECTRICITY. SOUND.pngSOUND

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

USE THESE WORDS.

faster
all
natural
slower
vibration
straight
air
hearing
slowly
ground

SOUND.

Sound is a form of energy produced by the of bodies.
We perceive it through our sense of .

PROPAGATION OF SOUND.

o It propagates in line.
o It propagates in directions.
o It travels more than light.
o It propagates through a medium.
§ It propagates in the air than in the .
• It propagates in the ground than in the .