Can I Believe My Eyes?

Front

What does it mean to refract?

Back

To bend light as it passes through different mediums.

Front

What is light?

Back

Light is a form of energy that is visible to the human eye and is necessary for seeing.

Front

Does all light have a source?

Back

True, all light comes from a source.

Front

What type of photoreceptor is active in bright light and perceives color?

Back

Cones are the photoreceptors that function in bright light and detect color.

Front

Through which objects does light pass more easily?

Back

Light passes more easily through transparent objects, like glass.

Front

What is the definition of transparent?

Back

Transparent means allowing light to pass through so that objects behind can be distinctly seen.

Front

What is the definition of opaque?

Back

Opaque means not allowing light to pass through; objects cannot be seen through opaque materials.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is the role of the fovea centralis?

Back

The fovea centralis is responsible for sharp central vision and is where cones are concentrated.

Front

What happens to light when it hits a mirror?

Back

Light reflects off the surface of a mirror.