WorksheetsFree Response Questions on Thermal Energy
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Which describes how the total amount of energy changes during the energy transformation of burning a gallon of gasoline?
a)
energy before it is burned is less than the energy after it is burned
b)
the energy before it is burned is greater than the energy after it is burned
c)
the energy after it is burned is equal to the energy before it is burned
d)
the energy after it is burned is not related to the energy before it is burned
2.
A change from one form of energy into
a)
gravitational potential energy
b)
work
c)
conservation of energy
d)
energy transformation
3.
If you place your hand on a hot surface and it feels very hot, it means that heat is flowing _______.
a)
nowhere; heat is staying still
b)
in circles around your hand
c)
from your hand to the surface
d)
from the surface to your hand
4.
Which of the following has the MOST thermal energy?
a)
1 liter pot of boiling water
b)
a swimming pool on a sunny day
c)
the entire atmosphere of Earth
d)
a full size candy bar that is melting
5.
When you walk outside on a sunny day and feel the warmth from the sun, the type of heat transfer you are experiencing is __________.
a)
thermal
b)
conduction
c)
convection
d)
radiation
6.
If two objects or containers have the same temperature, ____________.
a)
they have the same average kinetic energy.
b)
they have equal thermal energies
c)
will change temperatures at the same rate
7.
If two objects or containers have the same temperature, but one has a larger mass, ____________.
a)
the larger mass object has more thermal energy
b)
the smaller mass object has more thermal energy
c)
they have the same thermal energy
d)
they will change temperatures at the same rate
8.
A copper rod connects two insulated beakers that contain liquids. The temperature of the liquid in Beaker A is 85°C and the temperature in Beaker B is 15°C. Over the next 60 seconds, what will occur?
a)
The temperature in Beaker A will decrease and the temperature in Beaker B will stay the same.
b)
The temperature in Beaker A will decrease and the temperature in Beaker B will increase.
c)
Both of the temperatures will remain the same.
d)
It is impossible to tell without more information.
9.
The two insulated beakers shown contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the system is examined after this time?
a)
The temperature of Beaker A would be 50°C and the temperature of Beaker B would be 80°C.
b)
The temperatures of the two beakers would be unchanged.
c)
Both of the beakers would be at a temperature of 50°C.
d)
Both of the beakers would be at a temperature of 65°C.
10.
In which state does water have the lowest average kinetic energy?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
11.
The transfer of thermal energy by direct contact, from one molecule to another is called _________.
a)
convection
b)
conduction
c)
radiation
d)
thermal
12.
The transfer of energy through the movement of molecules in a gas or a liquid is ___________.
a)
convection
b)
conduction
c)
radiation
d)
plasma
13.
When we touch the desk, it feels cold to our hand. This is because ______________.
a)
heat is flowing from the desk into our hand
b)
cold is flowing from the desk into our hand
c)
heat is flowing from our hand to the desk
d)
cold is flowing from our hand to the desk
14.
In a building warm air rises to the attic while cool, more dense air sinks to the basement. This is an example of ______________.
a)
convection
b)
conduction
c)
radiation
d)
thermal
15.
Convection currents can be found _________.
a)
in the Earth's mantle
b)
in a pot of boiling water
c)
in the atmosphere
d)
all of these
16.
Heat flows in only one direction: It always moves __________________.
a)
From warm areas to cooler areas
b)
from cool areas to warmer areas
c)
in circles
d)
north
17.
When heat flows from one substance to another, what happens to the temperature of the substance giving off heat?
a)
increases
b)
decreases
c)
stays the same
18.
Many pots and pans are made of metal because metals are excellent ____________.
a)
conductors
b)
insulators
c)
elements
d)
regulators
19.
Many metal pots and pans have a handle made of a different material to keep users from getting burned. The handle material is a(n) _____________.
a)
insulator
b)
conductor
c)
element
d)
regulator
20.
In which state of matter do molecules have the highest average kinetic energy?
a)
solid
b)
liquid
c)
gas
21.
A thermometer is placed on a table, and a second is placed inside a mitten. After one hour, what is the outcome?
a)
The thermometer inside the mitten will have a lower temperature reading.
b)
The thermometer inside the mitten will have a higher temperature reading.
c)
Both thermometers will have the same temperature reading.
22.
A bowl of ice sits in the sun. Which statement is true?
a)
The ice has no energy because of its temperature.
b)
The only energy from the ice comes from the sun shining on it.
c)
Cold water from the melted ice cubes has more energy than ice.
d)
Water freezes to ice at absolute zero.
23.
A benefit of insulating in a home is ______________.
a)
it keeps you comfortable
b)
it saves your family money
c)
it reduces the amount of natural resources used (natural gas, electricity) to heat and cool a home
d)
all of these
24.
Jessica filled 2 beakers half-full of water. The water on the left is 50 degrees C, and the water on the right is 30 degrees C. She poured them into a large beaker and stirred. What was the temperature of the combined water?
a)
20 degrees Celcius
b)
30 degrees Celcius
c)
40 degrees Celcius
d)
50 degrees Celcius
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