Sound, Light, Force and motion Science

is the use of reflected sound waves to determine the distance or to locate an object.

• Sound waves

• Echolocation

• Sonar

• None of the above

Is the distance between two peaks of a sound wave

• Frequency

• Wavelength

• Amplitude

• Pitch

Refers to how high or low you perceive the sound you hear.

• Pitch

• Sound

• Rythm

Sound travel slower through solids ( TRUE OR FALSE )

• True

• False

is produced by causing movements in the air, water, or other medium or material.

• Sound

• Ear drums

• Wave lengths

• Sound waves

Choose three ways of safety against excessive sound energy

• Use earplugs, ear caps, or earmuffs if you are frequently exposed to loud noises.

• Shout loudly into someones ear always

• Turn down the music.

• Stay away from noisy environment.

It helps determine the volume or the loudness or softness of a sound

• Decibel

• Volume

• Pitch

• Amplitude

True or False. Sound can be heard in the vacuums of Space

• False

• True

When sound waves hit a solid wall or mountain, most of the sound waves are reflected. ( TRUE OR FALSE )

• True

• False

is a form of energy, that produced by vibrations or the back and forth movement particles of an object.

• Sound

• Music

• Decibels