Heat & Light Pt. 3

____________ are useful for wireless technology and the radio.

• Infrared waves

• Radio Waves

• Gamma Rays

• Ultraviolet Rays

__________ are used for heating and cooking food, mobile phones, satellite tv and communication.

• Sound Waves

• Gamma Rays

• Microwaves

• Visible light

The name for a range of electromagnetic waves when placed in the order of increasing frequency is called

• Amplitude modulation

• Magnetic Resonance Imaging

• Electromagnetic Spectrum

• Frequency modulation

How is the earth's surface heated?

• Unequally

• Conduction

• Equally

• It is not

How do we measure air temperature?

• Barometer

• Anemometer

• Hygrometer

• Thermometer

What type of heat transfer is the picture showing?

• Radiation

• Conduction

• Absorption

• Convection

The speed of electromagnetic waves is equal to the speed of

• air

• a car traveling at 600 miles per hour

• light

• radioactive decay

What type of heat transfer is the picture showing?

• Conduction

• Radiation

• Convection

• Reflection

What type of heat transfer is the picture showing?

• Gamma Waves

• Convection

• Conduction

• Radiation

What is the percentage of incoming solar radiation that is reflected back into space?

• 75%

• 95%

• 30%

• 15%