SCIENCE FINAL TEST REVIEW

The correct lens for people with astigmatism is ... lens.

• concave
• convex
• cylindrical
• concave-convex

Color blindness is the condition where a person cannot see ... clearly

• distant objects
• near objects
• distant and near objects
• colors difference

Read the sentences below. What are the ways to take care of our eyes?

• 1 and 2
• 2 and 3
• 2 and 4
• 3 and 4

Look at the picture below. What property of light does it show?

• Light travels in a straight line

• Light can be dispersed

• Light can be reflected

• Light can be refracted

What object that blocks the light and forms a shadow?

• translucent object
• opaque object
• transparent object
• lenses

We can't include moon as luminous object because ....

• it blocks the light
• it can't reflect light
• it doesn't produce its own light
• it is round

Optic tools mostly use convex lens, except ...

• spectacles
• periscope
• microscope
• camera

Which mirror that shows virtual, upright and laterally inverted reflection?

• 
• 
• 
• 

Look at the picture below. It shows the condition of light into the eyes of people with myopia. The cause of this condition is ...

• the eyeball is shorter than normal
• the eyeball is longer than normal
• the cornea has irregular shape
• old age

The correct lens for farsighted people is ... lens.

• concave
• convex
• cylindrical
• concave-convex