HEATING THE ATMOSPHERE QUIZ ANSWERS ON GRAD POINT
1.) All matter is composed of atoms or molecules that have energy of motion, which is also known as _____.---B. kinetic energy
2.) When air transfers energy to a cooler object, what happens to the air temperature?---A. It decreases.
3.) What happens when there is a temperature difference between two objects?---A. Heat is transferred from one object to the other.
4.) When energy is transferred to air, what happens to the particles of air?---A. They move faster.
5.) What causes the transfer of energy from one object to another?---A. differences in temperature
6.) Which electromagnetic waves have the longest wavelengths?---C. radio
7.) What process describes the transfer of heat through matter by molecular activity?---conduction
8.) Electromagnetic waves travel through space at a speed of _____.---300,000 kilometers per second
9.) A metal spoon becomes hot after being left in a pan of boiling water. This is an example of _____.---conduction
10.) Because of convection, the warmest air in a room _____.---rises toward the ceiling
11.) The heating of the lower layer of the atmosphere from radiation absorbed by certain heat-absorbing gases is called _____.---the greenhouse effect
12.) On average, how much of the sun’s energy that reaches Earth’s outer atmosphere is reflected back into space?---30 percent
13.) Earth receives energy from the sun through what method of heat transfer?---radiation
14.) On average, how much of the sun's energy is absorbed by Earth's atmosphere and clouds, without reaching Earth's surface?---20 percent
15.) Which best describes the primary wavelengths of radiation emitted by Earth’s surface?---longer than those emitted by the sun
16.) The two most important heat-absorbing gases in the lower atmosphere are _____.---water vapor and carbon dioxide
17.) What is not true about radiation?---It needs a medium through which to travel.
18.) Which statement is not true?---Objects that are good absorbers of radiation are good reflectors as well.
19.) Which is associated with weak light rays that travel in different directions?---scattering
20.) Which is an example of radiation?---Our atmosphere is constantly being heated by the sun.
THESE ARE THE ANSWERS,,, FIRST TWO PEOPLE TO SAY THANK YOU WILL BE GRANTED THE POINTS SINCE I HAVE ALREADY ANSWERED THE QUESTIONS. FIRST COME FIRST SERVE.....