1. How much heat is needed to change 25.0g of water at 100. ^oC to water vapor, using the Heat of Vaporization equation (Q = m L_v where L_v = 540 cal/g)?

	a.	54,000 calories
	b.	13,500 calories
	c.	2,160 calories
	d.	22 calories

2. If Jenna (who weighs 600N) is on an elevator which is moving downward at 10m/s, her support force is:

	a.	600 N
	b.	60 N
	c.	0 N
	d.	6000 N

3. For Newton's Law of Cooling ________________

	a.	the rate of cooling is constant between an object and its surroundings
	b.	the rate of cooling is proportional to the difference in temperature between an object and its surroundings
	c.	the rate of cooling is proportional to the temperature of the object's surroundings
	d.	the rate of cooling is inversely proportional to the temperature difference between two substances

4. Heat is transferred by multiple methods, including radiation. Radiation is based on ______________

	a.	atomic vibrations
	b.	electron ionization
	c.	convection waves
	d.	electromagnetic waves

5. Greenhouse gases _______________

	a.	reflect and absorb higher frequency radiation from the Earth, and let lower frequency light transmit from the Sun
	b.	reflect and absorb higher frequency radiation from the Sun, trapping it within the atmosphere
	c.	reflect and absorb higher frequency light from the Sun, not allowing it to reach the Earth
	d.	reflect and absorb lower frequency radiation from the Earth, trapping it within the atmosphere