Are you Smarter than an Eighth Grader?

We see objects because light is reflected off of them.

• True

• False

When light bounces straight off a surface, we say that it is refracted.

• True

• False

Which of the following REFRACT light?

• eye glasses

• microscopes

• telescopes

• all of the above

Which lens represents the path light takes through a diverging lens?

• 
• 
• 
• 

Which figure represents the path light takes through a converging lens?

• 
• 
• 
• 

Which optical device bends light inward?

• convex lens

• concave lens

• plane mirror

• convex mirror

Which technology do we use to observe FARAWAY objects?

• Telescope

• Microscope

• Camera

• All of them

Which part of the eye opens in dark places and closes in bright places?  

• Cornea
• Retina
• Pupil
• Lens

Which part of the eye is where images are converted to nerve impulses?  

• Retina
• Cornea
• Optic Nerve
• Lens

What is the cornea?

• clear structure that bends light to focus on the retina
• white outer layer of the eyeball
• clear layer that forms front of the eye
• gel that fills space