Sensing the environment (S2)

What is the order of the path of light in the human eye?

• cornea, pupil, lens, retina, optic nerve, brain
•  lens,cornea, pupil, retina, optic nerve, brain
• pupil, lens, retina, optic nerve, cornea, brain
• brain, pupil, lens, retina, optic nerve, cornea,

How does a microscope make a small object appear larger?

• it reverses the lens
• it uses a more powerful light
• it uses two convex lenses
• it uses two concave mirror

Tags

NGSS.MS-LS1-2

For clear vision, an image must be focused exactly on the ________________.

• retina
• pupil
• optic nerve
• lens

What part of the eye acts like a convex lens?

• pupil
• retina
• cornea
• eyelid

Tags

NGSS.MS-PS4-2

How do contact lenses work?

• they reduce the size of the pupil
• They create better light rays
• the lenses and the retina merge
• Watery tears help the lenses and the cornea act together as a single lens

A person who is farsighted can be assisted by_________________.

• lenses that are tinted lenses
• concave lenses that make light rays focus on the cornea
• convex lenses that make light rays converge farther toward the retina
• surgery that enlarges the pupil

The two parts of the eye that refract light are the ______________.

• eyelid and eyebrow
• eyelid and lens
• cornea and retina
• cornea and lens

What are the two major types of microscopes called?

• micro and macro
• ear and eye
• reflecting and refracting
• concave and convex

What part of the eye controls how much light enters the black hole (pupil) in the center of the eye?

• optic nerve
• pupil
• cornea
• iris

What is the frequency range of hearing for a human being?

• 10-200 hertz
• 20-20,000 hertz
• 300-2,000 hertz
• 2,000-30,000

Tags

NGSS.MS-LS1-8