Energy: Conservation & Transfer Review

Which material is the best conductor of electricity?

• Wood

• Metal

• Stone

• Plastic

Energy is transferred from the sun to Earth mainly by _____________.

• sound waves

• air currents

• electromagnetic waves

• compressional waves

Tags

NGSS.MS-PS4-1

When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle. How do bicycle reflectors work?

• They are made of a special material that gives off its own light.

• They are hooked up to batteries that allow them to produce light.

• They bounce light back from other sources.

• They are covered with paint that glows in the dark.

Tags

NGSS.MS-PS4-2

A thermometer shows that the outside air temperature is colder than the temperature at which water turns to ice. However, ice on the sidewalk melts. What probably caused this?

• The air heating the sidewalk.

• The sidewalk reflecting sunlight into the air.

• The wind causing the ice on the sidewalk to melt.

• The sunlight making the sidewalk warmer than the air.

Tags

NGSS.MS-ESS2-4

Which statement explains why light from the Sun can warm up water in a glass?

• Light travels very fast.

• Light travels in straight lines.

• Water reflects light energy.

• Water absorbs light energy.

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NGSS.MS-PS3-4

NGSS.MS-PS4-2

In general, metals are _______________________.

• poor conductors of heat.

• brittle.

• poor conductors of electricity.

• good conductors of heat.

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NGSS.MS-PS3-3

When you hold an ice cube, your hand feels cold because

• the cold flows from the ice cube to your hand.

• heat flows from your hand to the ice cube.

• ice is a poor conductor of heat.

• your hand is a better conductor of heat than the ice cube.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The main method of heat transfer occurring within water is called __________.

• conduction

• convection

• radiation

• insulation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy is transferred through a material by the collision of ___________ whithin the material.

• matter

• atoms

• crystals

• light

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Which of the following waves is not visible to the human eye?

• Red light

• Violet light

• Ultraviolet light

• Blue light