CKLA Unit 5 quiz Chapters1-4

When light changes speed, the angle of the light rays change and appear to bend. What is this called?

• reflection

• refraction

• transparent

• translucent

What type of mirror has a flat surface?

• convex mirror

• concave mirror

• plane mirror

• opaque mirror

"Not clear; blocking all light so that none gets through." This is the definition of​ (a)   .

• opaque
• translucent
• transparent
• reflection

What is the greatest source of light for our planet?

• solar panels

• the sun

• light bulbs

• all the stars and the moon

One way light travels is in waves. What waves carry the most energy?

• short waves

• long waves

• yellow waves

• red waves

How fast does light travel?

• 123,000 miles per second

• 186,000 miles per hour

• 123,000 miles per second

• 186,000 miles per second

Opaque objects will ​ (a)   when light hits them.​

• create shadows
• bend
• allow light to pass through
• change colors

A convex mirror (a)  

• curves outward
• is flat
• curves inward
• does not reflect

Concave mirrors can be used to_____.

• see on the sides of a car or bus

• provide heat using the sun's light so people can warm their hands

• show a reflection of what you really look like

• make a kaleidoscope

Which type of lens would you find in a magnifying glass, microscope, or telescope?

• plane lens

• UV lens

• concave lens

• convex lens