Thermodynamics Video Questions

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27 Οκτ 2013 (πριν από 3 χρόνια και 8 μήνες)

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Thermodynamics Video Questions

Heat, Temperature, and Energy

1.

Air, water, steel and salt all have ____________________.

2.

What does the smallest particle of salt consist of?

3.

Even the molecules of salt are in constant ____________________.

4.

What is the
internal energy, or the energy inside matter called?

5.

When ice is placed in water, what happens to some of the thermal energy in the water?

6.

Heat flows from something ____________________ to something ____________________.

7.

When heat is added, molecules move
____________________.

8.

When heat is removed, molecules ____________________ down.

9.

Heat energy can convert water to steam to turn a turbine to make electricity to make ____________________
energy.

10.

Heat caused the ball to ____________________.

11.

When most subst
ances lose heat they ____________________.

12.

What do bridges have in order to give them room to expand in the hot summer months?

13.

When water freezes and become ice it ____________________.

14.

Why does the red alcohol move up the thermometer when put into hot wat
er?

15.

What is the Celsius temperature scale based on?

16.

A thermometer measures temperature and not ____________________.

17.

Which has more thermal energy, the tub of water or cup of water?

18.

Which has a higher temperature?

19.

Which has more heat?

20.

What measures the hea
t to raise 1 gram of water 1 °C?

21.

Which gives off the most energy, gasoline, coal, or oak?

22.

When heat energy is transferred from molecule to molecule it is called _________________.

23.

Do different substances conduct heat equally?

24.

What metal loses the tack seco
nd (after copper)?

25.

Is wood a good conductor?


What is it called (when not a good conductor)?

26.

How do good insulators cut down on the amount of energy needed to heat a home?

27.

Convection is the flow of energy in a ____________________ or ____________________.

28.

Convection in the air makes it possible for ____________________ to fly.

29.

Huge convection currents in the air are responsible for ____________________.

30.

The third way energy can transfer, even in empty space, is ____________________.

31.

Why is the water inside
the black can hotter?

32.

The energy associated with the movement of molecules is called ____________________.

33.

____________________ is the movement of thermal energy from something hot to cold.

34.

When substances heat up they ____________________.

35.

When substances

cool down they ____________________.

36.

Is temperature the same thing as heat?

37.

What three ways can heat be transferred?


Thermochemical Changes

38.

Energy is different from matter in that id does not have ____________________.

39.

What are the two kinds of energy?

40.

W
hat is an example of kinetic energy?

41.

What is an example of chemical potential energy?

42.

What kind of explosive deflagrates?

43.

What kind of explosive detonates?

44.

What form of energy is the chemical potential energy in the bomb converted to?

45.

What is the differenc
e between deflagration and detonation?

46.

When thermal energy is transferred, we call it ____________________.

47.

What is a property that reflects the random motion of particles in a specific substance?

48.

What involves the transfer of thermal energy between two ob
jects due to a temperature difference?

49.

Which change is a change in which energy is absorbed?

50.

Endo = ____________________


Thermic = ____________________

51.

What kind of change is a battery being charged?

52.

What kind of change is photosynthesis?

53.

Which change is
a change in which energy is released by a system to its surroundings?

54.

Exo = ____________________


Thermic = ____________________

55.

Which kind of change is snow?

56.

Which kind of change is turning water into ice?

57.

Which kind of change is turning the liquid refrig
erant into gaseous refrigerant?

58.

Which kind of change is turning the gaseous refrigerant back into liquid refrigerant?

59.

In an endothermic reaction, what happens to the temperature of the surroundings?

60.

In an exothermic reaction, what happens to the temperatur
e of the surroundings?

61.

What is the temperature of the spray from a bombardier beetle?

62.

Work of any kind produces ____________________.

63.

What is the standard unit for measuring any kind of energy change?

64.

What is the unit commonly used to measure the energy in

food?

65.

What is the unit commonly used to measure the energy in a home furnace?

66.

Nuclear Energy → ____________________ → Chemical Energy → ___________________

67.

Systems tend towards ____________________ equilibrium.

68.

Energy has no ____________________ but can b
e detected by its effects on matter.

69.

How many shows about thermodynamics did they make?