24. The normal body temperature is 37°C. What is this in Fahrenheit?
A 32
C2120
3.99 er
D. 373 OF
25. Which of the following happens when ice changes into a liquid at O'C?
A The molecules move slower than before
C. The potential energy of the molecules increases
B. The temperature of the substance increases
D. The average movement of the molecules increase
26. What happens to the surface of the water when the rate of evaporation is greater?
A It becomes cooler
C. It becomes more massive
3. It absorbs less energy
Dit absorbs greater energy
27. During warm days, you cool yourself by damping your skin with a wet towel. Which of the following takes place?
A. Your skin absorbs the coldness of the water.
B. Your skin releases energy when water from your skin evaporates
C. The temperature of the water on your skin decreases as it evaporates
D. The temperature of your skin increases as water evaporates from your skin
28. Contraction of a solid indicates that
A. the number of particles decreases
C. the average velocity of particles increases
B. the space between particles increases
D. there a decrease in the average intiner of
29. The boiling point of water is 100°C. What is this in kevin?
A. 173
B.212
0.512
30. The natural direction of heat flow between two bodies depends on
A their volume
their heat capacity
B. their temperature
D. whether they are in aliquid, a solid or​