Exam 2: Warming the Earth and the Atmosphere

Which of the following has a higher albedo than thin clouds?

Instructions: Choose one answer from each pair of selections. Overcast skies usually result in cooler daytime temperatures because clouds are good REFLECTORS | ABSORBERS of sunlight.

The average summer temperatures in the Southern Hemisphere are cooler than the average summer temperatures in the Northern Hemisphere because ____.

The freezing of pure water is 32° on the ____ scale.

Which of the following is the poorest conductor of heat?

Instructions: Choose one answer from each pair of selections. Compared to Phoenix (30°N latitude), Minneapolis (45°N) will have shorter days in the winter and LONGER | SHORTER days in the summer.

When it is January and winter in the Northern Hemisphere, it is ____ in the Southern Hemisphere.

Instructions: Choose one answer from each pair of selections. Air is a GOOD | POOR conductor of heat.

During cloud droplet formation, condensation causes the release of what kind of heat into the environment?

An object that radiates more energy than it absorbs will ____.

The auroras are caused by charged particles originating from ____.

The proper order from shortest to longest wavelength is ____.

An object at radiative equilibrium temperature is behaving as a ____.

In some situations, light behaves as if it were composed of particles rather than having a wavelike nature. What is the name given to light "particles?"

Instructions: Choose one answer from each pair of selections. In the middle latitudes of the Northern Hemisphere, the sun's position can affect vegetation. Would you expect a SOUTH- or a NORTH-facing hill to receive more sunlight during a year?

When an object emits and absorbs energy at equal rates, its temperature increases.

Instructions: Choose one answer from each pair of selections. The longest wavelengths of visible light correspond to the color RED | VIOLET.

Which of the following provides a measure of the average speed of the atoms and molecules in air?

As the temperature of an object ____, the intensity of the radiation emitted by the object ____.

Which process accounts for the sky's blue color?