Light Vocabulary Quiz

What is the visible light spectrum?

• The part of the electromagnetic spectrum that humans can see.

• The part of the electromagnetic spectrum that only animals can see.

• The part of the electromagnetic spectrum that is invisible.

• The part of the electromagnetic spectrum that is only ultraviolet light.

How does radiant energy travel?

• In waves, such as in heat or light.

• In straight lines, like a laser.

• In circles, like a whirlpool.

• In zigzags, like lightning.

What is energy?

• The ability to be active, to do work.

• The star around which the Earth orbits.

• A type of food.

• A kind of plant.

What is the sun?

• A planet in our solar system.

• The star around which the Earth orbits.

• A type of energy.

• A large moon.

What is a transverse wave?

• A wave that transfers energy parallel to its direction

• A wave that transfers energy in a circular motion

• A wave that transfers energy in a motion perpendicular to its direction

• A wave that does not transfer energy

What does it mean if an object is opaque?

• Light can pass through the object

• No light can pass through the object

• The object reflects all light

• The object absorbs all light

What does it mean if an object is translucent?

• It allows all light to go through it.

• It allows some light to go through it.

• It does not allow any light to go through it.

• It reflects all light.

What does it mean if an object is transparent?

• It allows all light to go through it.

• It allows some light to go through it.

• It does not allow any light to go through it.

• It reflects all light.

What is frequency?

• The number of times something repeats or how often an event occurs.

• The speed of light in a vacuum.

• The distance between two points.

• The amount of energy in a sound wave.

What is light reflection?

• When light bounces off a surface, such as a mirror, glass, water, or polished metal.

• When light is absorbed by a surface.

• When light travels in a straight line.

• When light changes color.