6.P.3.1

Which material is the best conductor of electricity?

• Wood

• Metal

• Plastic

• Stone

Energy is transfferred from the sun to Earth mainly by______________

• Sound Waves

• Electromagnetic waves

• Compressional Waves

• Air Currents

Which is not a factor that will increase an object's temperature?

• Increasing the intensity of the light shining on it

• The amount of light reflected

• Increasing the length of time

• The amount of light absorption

Light waves shining through an object are called what?

• Absorption

• Reflection

• Transmitted

• Scattered

When colors are detected by the human eye they can be classified as:

• Infrared

• Visible light

• UltraViolet

• Radio Waves

When you're 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.4

If you leave a chocolate chip cookie on a windowsill during a bright, sunny day how could you prevent it from melting?

• Place it closer to the window.

• Put an object over it so the sun is reflected.

• Put up magnifying glass over the cookie.

• Nothing, Chocolate cookies don't melt.

In general, metals are___________________.

• A poor conductor of heat

• brittle

• poor conductors of electricity

• good conductors of heat

What kind of energy does a moving baseball have?

• Electrical

• Magnetic

• Mechanical

• Chemical

Thermal energy is transferred through a material by the collision of____________ within the material.

• Matter

• Atoms

• Crystals

• Light