LO4 assessment

What part of the human ear captures sound?

• Outer ear

• Eardrum

• Middle ear

• Inner ear

Which part of the ear amplifies sound?

• Outer ear

• Middle ear

• Inner ear

• Cochlea

What converts sound to signals for the brain?

• Pinna

• Ossicles

• Cochlea

• Eardrum

What can cause damage to our ears?

• Using noise-cancelling headphones

• Wearing ear protection

• Standing too close to speakers

• Listening to music at low volume

What is the decibel scale used for?

• Measuring sound clarity

• Measuring sound duration

• Measuring sound loudness

• Measuring sound frequency

What describes how high or low a sound is?

• Volume

• Frequency

• Pitch

• Tone

What type of mirror shows the same size image as the object?

• Plane mirror

• Concave mirror

• Reflective mirror

• Convex mirror

What type of mirror bulges outwards?

• Convex mirror

• Flat mirror

• Plane mirror

• Concave mirror

What type of mirror is used to magnify objects?

What is a periscope used for?

• To see over tall objects

• To see through walls

• To measure sound

• To reflect light