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Name _____________________________

Date ___________________

Light

Select the definition that most nearly defines the given word.
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1.   vacuum    A part of the electromagnetic radiation that you can see with your eyes.    An invisible form of light that causes sunburn.    Empty space that contains no matter. Light can travel through this.    A piece of clear material that is thinner in the middle and thicker around the edges.

2.   refraction    The bending of light rays as it passes from one material into another.    A solid object that can bend or reflect light.    The type of energy that the sun gives off.    The change in direction that occurs when a light ray bounces off of a surface.

3.   farsighted    The bending of light rays as it passes from one material into another.    Empty space that contains no matter. Light can travel through this.    People who have trouble seeing things that are close to them.    People who can see things close to them, but distant objects are blurry and difficult to see.

4.   reflection    The change in direction that occurs when a light ray bounces off of a surface.    A type of energy that travels as a wave, but does not require a medium through which to travel.    People who have trouble seeing things that are close to them.    A piece of clear glass or plastic that bends light rays passing through it.

5.   visible light    A part of the electromagnetic radiation that you can see with your eyes.    People who can see things close to them, but distant objects are blurry and difficult to see.    A piece of clear material that is thicker in the middle than at the edges.    Empty space that contains no matter. Light can travel through this.

6.   light    A solid object that can bend or reflect light.    The type of energy that the sun gives off.    The bending of light rays as it passes from one material into another.    A type of energy that travels as a wave, but does not require a medium through which to travel.

7.   prism    People who have trouble seeing things that are close to them.    A solid object that can bend or reflect light.    A piece of clear material that is thicker in the middle than at the edges.    The change in direction that occurs when a light ray bounces off of a surface.

8.   convex lens    A piece of clear material that is thicker in the middle than at the edges.    People who can see things close to them, but distant objects are blurry and difficult to see.    A piece of clear material that is thinner in the middle and thicker around the edges.    A type of energy that travels as a wave, but does not require a medium through which to travel.

9.   nearsighted    People who can see things close to them, but distant objects are blurry and difficult to see.    A part of the electromagnetic radiation that you can see with your eyes.    An invisible form of light that causes sunburn.    A piece of clear glass or plastic that bends light rays passing through it.

10.   electromagnetic radiation    The type of energy that the sun gives off.    Empty space that contains no matter. Light can travel through this.    People who have trouble seeing things that are close to them.    An invisible form of light that causes sunburn.

11.   concave lens    People who can see things close to them, but distant objects are blurry and difficult to see.    A piece of clear material that is thicker in the middle than at the edges.    A piece of clear material that is thinner in the middle and thicker around the edges.    A piece of clear glass or plastic that bends light rays passing through it.

12.   ultraviolet rays    A type of energy that travels as a wave, but does not require a medium through which to travel.    A piece of clear material that is thinner in the middle and thicker around the edges.    An invisible form of light that causes sunburn.    A solid object that can bend or reflect light.