PRACTICE TEAS 6
Practice Test
1) Increase the pressure in a container
of oxygen gas while keeping the temperature
constant and you increase the
A) molecular speed.
B) molecular kinetic energy.
C) Choice A and choice B are both true.
D) Neither choice A or
choice B is true.
Answer: D
2) At the same temperature, which move
with the greater speed in the air?
A) very light molecules
B) heavier molecules
C) All will have equal average speeds.
Answer: A
3) If a solid object radiates more
energy than it absorbs, its
A) internal energy and temperature decrease.
B) temperature decreases.
C) internal energy decreases.
D) None of the above choices are true.
Answer: C
4) The planet Earth loses heat mainly by
A) conduction.
B) convection.
C) radiation.
D) all of these
Answer: C
5) If you double the pressure of an ideal gas
while keeping the temperature constant, the
average kinetic energy of the molecules
A) is doubled.
B) increases by more than twice.
C) increases by less than twice.
D) remains unchanged.
Answer: D
6) Sound waves can interfere with one a
nother so that no sound results.
A) True
B) False
C) Either true or false, depe
nding on the air temperature.
Answer: A
7) A Thermos bottle has double glass walls with
silver coating on the
glass surfaces that
face one another. The silver coating redu
