Question 1

Solar power requires backup systems for

Accepted Answer

A) windy days 
B) cold days 
C) cloudy days 
D) nights and cloudy days 
A) windy days 
B) cold days 
C) cloudy days 
D) nights and cloudy days

Question 2

Akron, Ohio, which averages 201 cloudy days per year, cannot use solar power.

Accepted Answer

A) True 
 B)False

Question 3

As a general rule, winter thermostat settings should e

Accepted Answer

A) 50 - 55 deg F 
B) 65 - 68 deg F 
C) 70 - 73 deg F 
D) 78 - 81 deg F 
A) 50 - 55 deg F 
B) 65 - 68 deg F 
C) 70 - 73 deg F 
D) 78 - 81 deg F

Question 4

Light bulbs are now rated in ____ of brightness.

Accepted Answer

A) photons 
B) volts 
C) lumens 
D) percent yield 
A) photons 
B) volts 
C) lumens 
D) percent yield

Question 5

The Earth's core maintains a temperature of

Accepted Answer

A) 200 degrees Celsius 
B) 500 degrees Celsius 
C) several thousand degrees Celsius 
D) several million degrees Celsius 
A) 200 degrees Celsius 
B) 500 degrees Celsius 
C) several thousand degrees Celsius 
D) several million degrees Celsius

Question 6

Light-emitting diode (LED) bulbs last ___ times longer than incandescent bulbs.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 25 
A) 5 
B) 10 
C) 15 
D) 25

Question 7

Select the correct statement.

Accepted Answer

A) Both visible light and heat radiation can pass through glass. 
B) Neither visible light nor heat radiation can pass through glass. 
C) Visible light, but not heat radiation, can pass through glass. 
D) Heat radiation, but not visible light, can pass through glass. 
A) Both visible light and heat radiation can pass through glass. 
B) Neither visible light nor heat radiation can pass through glass. 
C) Visible light, but not heat radiation, can pass through glass. 
D) Heat radiation, but not visible light, can pass through glass.

Question 8

Select the correct statement.

Accepted Answer

A) In the Northern Hemisphere, windows with a southern exposure are best for collecting solar energy. 
B) In the Northern Hemisphere, windows with a northern exposure are best for collecting solar energy. 
C) In the Southern Hemisphere, windows with a southern exposure are best for collecting solar energy. 
D) In the Southern Hemisphere, widows with a western exposure are best for collecting solar energy. 
A) In the Northern Hemisphere, windows with a southern exposure are best for collecting solar energy. 
B) In the Northern Hemisphere, windows with a northern exposure are best for collecting solar energy. 
C) In the Southern Hemisphere, windows with a southern exposure are best for collecting solar energy. 
D) In the Southern Hemisphere, widows with a western exposure are best for collecting solar energy.

Question 9

The use of wind power was first tried in the 20th century.

Accepted Answer

A) True 
 B)False

Question 10

Conventional solar cells contain layers of

Accepted Answer

A) carbon 
B) silicon 
C) zinc 
D) tin 
A) carbon 
B) silicon 
C) zinc 
D) tin

Solar power requires backup systems for

Akron, Ohio, which averages 201 cloudy days per year, cannot use solar power.

As a general rule, winter thermostat settings should e

Light bulbs are now rated in ____ of brightness.

The Earth's core maintains a temperature of

Light-emitting diode (LED) bulbs last ___ times longer than incandescent bulbs.

Select the correct statement.

Select the correct statement.

The use of wind power was first tried in the 20^th century.

Conventional solar cells contain layers of

Background to the Environmental Problem

The Natural Laws

Underlying Principles of Chemistry

Types of Chemical Compounds and Their Reactions

Element Cycles

Toxicology

Energy and Modern Society

Weather and Climate

Air Quality

Air Inside

Global Atmospheric Change

Water

Water Quality

Solid Wastes

Hazardous Wastes

Filters

Exam 8: Emerging Energy Sources

Solar power requires backup systems for

Akron, Ohio, which averages 201 cloudy days per year, cannot use solar power.

As a general rule, winter thermostat settings should e

Light bulbs are now rated in ____ of brightness.

The Earth's core maintains a temperature of

Light-emitting diode (LED) bulbs last ___ times longer than incandescent bulbs.

Select the correct statement.

Select the correct statement.

The use of wind power was first tried in the 20th century.

Conventional solar cells contain layers of

Background to the Environmental Problem

The Natural Laws

Underlying Principles of Chemistry

Types of Chemical Compounds and Their Reactions

Element Cycles

Toxicology

Energy and Modern Society

Weather and Climate

Air Quality

Air Inside

Global Atmospheric Change

Water

Water Quality

Solid Wastes

Hazardous Wastes

Filters

The use of wind power was first tried in the 20^th century.