Sound and Light Practice test

What is refraction?

• when light bounces off an object

• when light bends

• when light draws an object

• when light hits a mirror

How does sound travel?

• in only one direction

• in waves

• it doesn't travel

• in circles

Pitch is __________________.

• how loud or soft a sound is

• how high or low a sound is

• when sound comes back to you

• similar to an echo

Which part of the eye does light enter first?

• pupil

• retina

• sclera

• cornea

What causes sound?

• when the pitch is high

• when something vibrates

• when the volume is loud

• when a voice box moves

The order of colour in the visible spectrum is:

• red, orange, yellow, green, indigo, blue, violet

• red, orange, yellow, green, blue, indigo, violet

• red, orange, yellow, blue, indigo, green, violet

• the order changes due to temperature

My vocal cords ___________ when air passes through them.  This allows me to speak.

• stop
• vibrate
• close
• open

When talking about light, what does it mean to reflect?

• bounce off

• bend

• refract

• energy

When talking about light, what does it mean to refract?

• bounce off

• to bend

• curve outward

• reflect

What happens when light hits a mirror?

• it refracts

• it reflects

• it makes a rainbow

• it passes through