Word Wise 14

What does the word "absorb" mean?

• To scatter

• To take in

• To reflect

• To emit

Which term describes something that is widely spread or scattered?

• Opaque

• Translucent

• Diffuse

• Transparent

What is the definition of "infrared"?

• Relating to the visible spectrum

• Relating to the invisible band of radiation at the red end of the visible light spectrum

• A narrow concentration of light energy

• The study of the behavior of light

What is a "light beam"?

• A wide spread of light energy

• A narrow concentration of light energy emitted from a small source

• The study of light behavior

• The sequence of colors formed by light

What does "opaque" mean?

• Able to be penetrated by light

• Not able to be penetrated by light, not transparent or translucent

• Transmitting light clearly

• Widely spread

What is the study of the behavior of light called?

• Optics

• Radiation

• Reflection

• Refraction

What is "radiation"?

• A narrow beam of light

• Energy that moves in the form of electromagnetic waves, or rays

• The study of light

• The sequence of colors formed by light

What does "reflect" mean?

• To take in

• To scatter

• To turn away from or bend back

• To emit

What does "refract" mean?

• To absorb light

• To deflect from a straight path; to change the course on entering a different material

• To emit light

• To scatter light

What is the "retina"?

• A part of the brain

• A light-sensitive part of the eye that sends images to the brain

• A type of light beam

• A type of radiation