HMH - The Science Behind Sight

Front

What happens to the eye when looking at far away objects?

Back

The eye becomes thinner.

Front

How many senses do humans have?

Back

Humans have 5 senses.

Front

Do objects like tables and chairs give off light or reflect light?

Back

They reflect light.

Front

What is the function of the tear duct in the eye?

Back

The tear duct is the tiny tube that tears leave the eye through.

Front

What orientation does the lens send the image to the retina?

Back

The image is upside down.

Front

What is the role of the lens in the eye?

Back

The lens focuses light onto the retina.

Front

What are the five senses?

Back

Sight, hearing, taste, touch, and smell.

Tags

NGSS.1-PS4-2

Front

What is the retina's function in the eye?

Back

The retina converts light into neural signals for the brain.

Front

What is the difference between reflection and refraction of light?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different mediums.

Tags

NGSS.MS-PS4-2

Front

What is the purpose of the cornea in the eye?

Back

The cornea helps to focus light as it enters the eye.