Light and Energy Quiz

Which of the following is a source of light?

• The sun

• Fire

• Light bulb

• All of the above

________________ is the force or physical power that living things need to exist and be active.

• Lumens
• Light
• Energy
• Shine

When light is blocked by an opaque object, a ________________ is made.

• Shadow
• Light
• Transparent
• Translucent

________________ means to throw back light, heat or sound from a surface.

• Transparent
• Reflect
• Bounce
• Shadow

What happens to light when it encounters a translucent object?

• Nothing happens

• All light passes through

• No light passes through

• Some light passes through; some is scattered

In Latin the word lumen means?

• Night

• Sun

• Light

• Bright yellow

Light waves travel in rays. Where do they travel the fastest?

• in a tunnel

• in a vacuum

• through ice

• through water

When light hits an object and passes through it, it is ________________________.

• transmitted
• opaque

• reflected

• absorbed

An object that does not allow light to pass through is called a(n) __________________.

• opaque
• transparent

• translucent

• absorbed

What does an optometrist do?

• check ears

• check nose

• check eyes

• check bones