Light Energy STAAR

Which of these best demonstrates the reflection of light? (5.6C)

• Looking through the glass of a large window

• Looking at an image formed on a silver spoon

• Looking at a lightbulb that is glowing

• Looking at a star on a clear night

Tags

NGSS.MS-PS4-2

The model shows a special glass fiber that is thinner than some metal wires. When light enters one end of the fiber, it moves through the fiber as shown. After the light leaves the fiber, it travels---(5.6C)

• in a straight line

• back into the fiber

• around the fiber

• in a curve

Tags

NGSS.MS-PS4-2

A student looks into a mirror and sees an image of an object. Which diagram shows an X where the object is most likely located? (5.6C)

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NGSS.MS-PS4-2

A teacher takes the top and a side off a box. She cuts a hole in another side and puts a candle outside the box, as shown below. When the teacher lights the candle in a dark room, some of the candlelight shines through the hole. Which diagram best shows how the light appears on the opposite wall of the box? (5.6C)

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Tags

NGSS.MS-PS4-2

The picture shows an area of Yosemite National Park. Which statement about light is supported by this picture? (5.6C)

• Light travels in straight lines until it enters a different material like water in a lake.

• Light can refract in air and in clean water.

• The water in the lake is blue because light forms an image.

• Light is reflected off the smooth surface of the lake.

Tags

NGSS.MS-PS4-2

Light hitting a mirror and bouncing off is an example of _____________________.

• reflection

• refraction

• transmission

• absorption

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NGSS.MS-PS4-2

Light bouncing off a mirror is an example of...

• Refraction
• Reflection

Tags

NGSS.MS-PS4-2

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

Tags

NGSS.MS-PS4-2

A student conducts an investigation by shining a flashlight toward a flat mirror. The student changes the angle of the mirror and observes the path of the reflected light. As the mirror changes direction, the light reaching the mirror can reach the ceiling because the light---(5.6C)

• travels in straight lines and reflects from the surface of the mirror

• refracts in the glass of the mirror and is spread out all over the room

• enters the mirror and changes direction when it is refracted by the back of the mirror

• travels through air and does not change its direction in air

Tags

NGSS.MS-PS4-2

The term for any wave that hits a surface and bounces off

• Transparent
• Translucent
• Refraction
• Reflection

Tags

NGSS.MS-PS4-2