Vision and Light

What is an environment?

• The surroundings where an animal lives, including plants, water, and other animals.

• A type of animal that lives in the ocean.

• A place where humans build cities and towns.

• A scientific term for climate change.

What is the role of the brain in vision?

• The brain helps us hear sounds from our environment.

• The brain processes the information received from the eyes to help us understand what we see.

• The brain regulates our body temperature and metabolism.

• The brain is responsible for the production of hormones.

Which part of the eye takes in the light?

• cornea

• lens

• pupil

• retina

Where an animal lives is called their _____________.

• habitat

• environment

• ecosystem

• territory

Light needs to ______ off an object for the eye to see it.

• absorb

• reflect

• refract

• scatter

What is the function of the pupil in the eye?

• To focus light onto the retina.

• To control the amount of light that enters the eye.

• To provide color to the eye.

• To protect the eye from foreign objects.

What is the difference between reflection and absorption of light?

• Reflection is when light is taken in by a surface, while absorption is when light bounces off a surface.

• Reflection is when light bounces off a surface, while absorption is when light is taken in by a surface.

• Reflection and absorption are the same process of light interaction with surfaces.

• Reflection occurs only with colored surfaces, while absorption occurs with transparent surfaces.

What happens when light hits a surface?

• It can be reflected, absorbed, or transmitted.

• It can only be reflected.

• It can only be absorbed.

• It can only be transmitted.

What is reflection in terms of light?

• Reflection is when light bounces off an object.

• Reflection is when light passes through an object.

• Reflection is when light is absorbed by an object.

• Reflection is when light is scattered in different directions.

What is a variable in an experiment?

• A constant that remains unchanged throughout the experiment.

• A factor that can change and affect the outcome of the experiment.

• A measurement that is taken at the end of the experiment.

• A hypothesis that is tested during the experiment.