Lesson 2 QUIZ (Review)

Why do some people have problems with vision?

• Because they watch too much TV

• Due to issues with the cornea, retina, or brain

• Due to lack of sleep

• Because they don't eat enough vegetables

Tags

NGSS.MS-LS1-5

What is the first step to take if a video is having trouble loading?

• Try another video player

• Contact your teacher

• Click to reload the page

• Dismiss the message

What is a convex lens?

• A lens that is curved inward

• A lens that is flat

• A lens that is curved outward

• A lens that is broken

Why does a lens make an image appear upside-down?

• Because light rays bend inwards at the edges

• Because the lens is dirty

• Because the lens is too small

• Because the lens is too big

What should you do if reloading the video page does not help?

• Dismiss the message

• Contact your teacher

• Try another video player

• Turn off the computer

What is the function of the cornea in the eye model activity?

• To change the color of the eye

• To act as a magnifying lens

• To make the eye blink

• To make the eye move

What did students use to project an image on their 'retina'?

• A mirror

• A magnifying lens

• A flashlight

• A piece of paper

Tags

NGSS.MS-LS1-8

What did students learn about the image projected on the retina?

• It was very small

• It was black and white

• It was upside-down

• It was blurry

What is one reason why some people need glasses?

• To look fashionable

• To protect their eyes from the sun

• To help them see clearly

• To make their eyes look bigger

What did students find amazing about the eye model activity?

• The color of the lens

• The upside-down image on the retina

• The size of the model

• The weight of the lens

Tags

NGSS.MS-PS4-2