Light and Parts of the Eye video and Review questions

Front

What is the primary source of natural light on Earth?

Back

The Sun

Front

What part of the eye is responsible for focusing light? Options: Cornea, Iris, Pupil, Lens

Back

Lens

Front

Which part of the eye controls the amount of light that enters?

Back

Iris

Front

What is the function of the retina?

Back

To detect light and color

Front

What type of light can humans see? Options: Ultraviolet, Infrared, Visible light, X-rays

Back

Visible light

Front

How does the lens change shape to focus on objects at different distances?

Back

It becomes thinner for distant objects.

Front

What role do cones play in vision?

Back

They allow us to see colors.

Front

Which part of the eye is most sensitive to light? Options: Cornea, Pupil, Retina, Lens

Back

Retina

Front

What happens to your pupils in bright light?

Back

They get smaller.

Front

Why do we have a blind spot in our vision?

Back

Because of the optic nerve