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Module 2 Test Practice Questions

Total questions: 49

Worksheet time: 25mins

Name
Class
Date
1.
1. A scientist makes the claim that chemicals like calcium chloride contain energy. Which of the following statements is the best piece of evidence to support this claim?
a)
a. When calcium chloride reacts with water, the water becomes cloudy.
b)
b. When calcium chloride reacts with water, the temperature does not change.
c)
c. When calcium chloride reacts with water, the calcium chloride dissolves.
d)
d. When calcium chloride reacts with water, the temperature changes.
2.
2a. Which two prototypes met the constraints on the amount of solid and liquid that could be used?
a)
a. Prototype 1 and 2
b)
b. Prototype 2 and 3
c)
c. Prototype 1 and 3
d)
d. None of the prototypes met the constraints.
3.
2b. Which prototype meets the company’s goal the best?
a)
a. Prototype 1
b)
b. Prototype 2
c)
c. Prototype 3
d)
d. None of the prototypes meet the company’s goal.
4.
2c. If the company were to redesign Prototype 3, which of the following suggestions would improve the design?
a)
a. Increase the amount of solid chemical.
b)
b. Decrease the amount of liquid chemical.
c)
c. Decrease the amount of solid chemical.
d)
d. Increase the amount of liquid chemical.
5.
3. Why is there more heat in an iceberg than in a pot of boiling water?
a)
a. The pot insulates the heated molecules
b)
b. Most icebergs are fairly warm to the touch
c)
c. Icebergs contain many more molecules than pots of water
d)
d. Water does not hold heat very well
6.
4a. Which sphere has more thermal energy?
a)
The golf ball has the most thermal energy.
b)

The ping pong ball has the most thermal energy.

c)

Both spheres have the same thermal energy.

7.

4b. What is 1 piece of evidence to support the claim that the golf ball has more thermal energy?

a)
The golf ball has the most mass.
b)

The ping pong ball has the most mass.

c)

Both spheres have the same temperature.

8.

4c. Which sentence supports your claim that the golf ball has more thermal energy?

a)
Thermal energy is the sum of the kinetic energy in an object. Kinetic energy is measured by each molecule. The golf ball has more molecules so it has more kinetic energy.
b)

Potential energy is the sum of the kinetic energy in an object. Kinetic energy is measured by each molecule. The golf ball has more molecules so it has more kinetic energy.

c)

Chemical energy is the sum of the kinetic energy in an object. Kinetic energy is measured by each molecule. The golf ball has more molecules so it has more kinetic energy.

d)

Kinetic energy is the sum of the kinetic energy in an object. Kinetic energy is measured by each molecule. The golf ball has more molecules so it has more kinetic energy.

9.
5. As molecules move faster in a material, thermal energy _____________ and temperature _______________. (Fill in the blanks.)
a)
a. increase, decreases
b)
b. decreases, increases
c)
c. increase, increases
d)
d. thermal energy and temperature have no relationship
10.
6a. What is happening to the molecules of water in the pot?
a)
a. The molecules’ motion decreases, increasing kinetic energy.
b)
b. The molecules’ motion increases, increasing kinetic energy.
c)
c. The molecules’ motion decreases, decreasing kinetic energy.
d)
d. The molecules’ motion increases, decreasing kinetic energy.
11.
6b. What is the energy source that is transferring energy to the water?
a)
The flames are the source of the thermal energy that is transferring to the water.
b)

The wood is the source of the thermal energy that is transferring to the water.

c)

The pot is the source of the thermal energy that is transferring to the water.

d)

The air is the source of the thermal energy that is transferring to the water.

12.
7. What is the difference between thermal energy and temperature?
a)
a. Temperature measures the motion of molecules, and thermal energy is the energy of that motion.
b)
b. Temperature is measured by a thermometer, and thermal energy is measured by a barometer.
c)
c. Thermal energy is the sum of the kinetic energy of molecules, and temperature is the average kinetic energy of molecules.
d)
d. Thermal energy is caused by the sun, and temperature is caused by conditions in the atmosphere.
13.

8b. You place one cup of near-freezing cold water and one cup of hot water in a room temperature room. What will happen to the thermal energy in Cup 2?

a)

The thermal energy in cup 2 to will increase.

b)

Thermal energy in cup 1 will increase.

c)

Thermal energy will stay the same in cup 2.

d)

Thermal energy doesn't change for either cup.

14.
8c. Why will Cup 1 see a decrease in temperature?
a)
a. The thermal energy transfers from colder water to the warmer air, speeding up the water molecules in Cup 1.
b)
b. The thermal energy transfers from the hot water to the cold water, slowing down the water molecules in Cup 1.
c)
c. The thermal energy transfers from the hot water to the room temperature air, slowing down the water molecules in Cup 1.
d)
d. The thermal energy transfers from the hot water to the cold air, speeding up the water molecules in Cup 1.
15.

9a. A teacher placed a metal spoon in a container of water with a temperature of 37°C (100°F). Then the teacher measured the temperature of the spoon in the water for 5 minutes. Which statement best describes the flow of energy in this system?

a)
a. The thermal energy transferred from the colder spoon to the hotter water.
b)
b. The thermal energy transfers from the spoon to the water, heating the spoon and cooling the water.
c)
c. The thermal energy transfers from the water to the spoon, heating the spoon and cooling the water.
d)
d. The thermal energy transfers from the water to the spoon, heating the spoon while the water temperature stays the same.
16.

9b. A teacher placed a metal spoon in a container of water with a temperature of 37°C (100°F). Then the teacher measured the temperature of the spoon in the water for 5 minutes. What was the method of energy transfer?

a)
a. Conduction
b)
b. Convection
c)
c. Radiation
d)
d. Chemical
17.
10. When you open the refrigerator door for a minute, what happens?
a)
a. Thermal energy in the refrigerator is transferred to the air outside the refrigerator.
b)
b. Thermal energy in the air outside the refrigerator is transferred to the inside of the refrigerator.
c)
c. The temperature of the air inside the refrigerator decreases.
d)
d. The temperature of the air just outside the refrigerator increases.
18.

11a. Jessica wants to fill a bag with a hot substance and use it to heat her sore back. She is trying to decide whether to fill the hot pack with sand or salt, and wants to select the one that transfers the most thermal energy to her back. She knows that they will cool to room temperature, but she wants to know whether they will have transferred the same amount of thermal energy. Help Jessica plan an investigation to by answering the following questions.

Jessica filled one hot pack with 2000 g of salt. How much sand would you suggest she put into another hot pack?

a)
a. 2000 g of sand
b)
b. 4000 g of sand
c)
c. The amount of sand doesn’t matter
d)
d. 1000 g of sand
19.

11d. Jessica wants to fill a bag with a hot substance and use it to heat her sore back. She is trying to decide whether to fill the hot pack with sand or salt, and wants to select the one that transfers the most thermal energy to her back. She knows that they will cool to room temperature, but she wants to know whether they will have transferred the same amount of thermal energy. Help Jessica plan an investigation to by answering the following questions. Jessica decides sand transfers more thermal energy, heating her back up the longest. Jessica has the option of using 2000 g of sand or 3000 g of sand. What quantity of sand would you suggest Jessica uses.

a)
a. 3000 g because the more mass an object has, the greater the temperature.
b)
b. 3000 g because the more mass an object has, the greater the thermal energy.
c)
c. 2000 g because the less mass an object has, the greater the temperature.
d)
d. The mass will not impact the thermal energy of her heat pack.
20.

12a. Here is a data table of temperature differences inside and outside of a greenhouse. Which of the following statements is an accurate conclusion about the data?

a)
a. The temperature inside the greenhouse increases between 4:00am and 8:00pm.
b)
b. The temperature inside the greenhouse stays constant.
c)
c. As the temperature outside the greenhouse increases, the temperature inside the greenhouse increases.
d)
d. There is no relationship between the temperature inside and outside the greenhouse.
21.
14. How will the temperature of the two cars compare?
a)
a. The temperature of both cars will be the same.
b)
b. The temperature of the car with the black interior will be higher.
c)
c. The temperature of the car with the white interior will be higher.
d)
d. There is not enough information to draw a conclusion.
22.

The energy released when a chemical compound reacts to produce new compounds.

a)

Chemical energy

b)

Chemical Reaction

c)

Energy Transfer

d)

Thermal Energy

23.

The process by which one or more substances change to produce one or more different substances

a)

Thermal Energy

b)

Chemical Energy

c)

Physical Reaction

d)

Chemical Reaction

24.

Limitations on an engineering design.

a)

Criteria

b)

Constraints

c)

System

d)

Design Cycle

25.

The requirements a design needs to do in order to be successful.

a)

Constraints

b)

System

c)

Criteria

d)

Design cycle

26.

A series of steps that engineers use to come up with a solution to a problem.

a)

Engineering Criteria

b)

Engineering Constriants

c)

Engineering Reaction

d)

Engineering Design Cycle

27.

The capacity to do work. It exists in a variety of forms and can be converted from one form to another.

a)

Energy

b)

Engineering

c)

Temperature

d)

System

28.

The movement of energy within a system or between a system.

a)

Thermal Energy

b)

Energy Transfer

c)

Kinetic Energy

d)

Potential Energy

29.

Energy that is transferred from one system or body to another as a result of a difference in temperature between the two.

a)

Energy

b)

Thermal Energy

c)

Heat

d)

Kinetic Energy

30.

The energy that an object possesses as a result of being in motion.

a)

Kinetic energy

b)

Thermal energy

c)

Temperature

d)

Chemical energy

31.

A collection of objects organized into a whole.

a)

Thermal

b)

System

c)

Criteria

d)

Constraints

32.

The measure of the average kinetic energy of all the molecules in an object.

a)

Thermal Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

Temperature

33.

The kinetic energy of a substance's atoms.

a)

Potential Energy

b)

Chemical energy

c)

Thermal energy

d)

Chemical Reaction

34.

The transfer of energy, such as heat, through a substance. Energy flows by direct contact of the substance's molecules with each other.

a)

Convection

b)

Radiation

c)

Conduction

d)

Heat

35.

The transfer of heat energy in a liquid or gas by movement of the substance's molecules.

a)

Conduction

b)

Convection

c)

Radiation

d)

Heat

36.

Energy in the form of electromagnetic waves or streams of particles.

a)

Conduction

b)

Convection

c)

Radiation

d)

Heat

37.

The quantity of matter in a physical body.

a)

Matter

b)

Mass

c)

Volume

d)

Criteria

38.

A material that allows energy in the form of heat, to be transferred within the material, without any movement of the material itself.

a)

Thermal Conductor

b)

Thermal Energy

c)

Thermal Insulator

d)

Thermometer

39.

A material that prevents heat from moving from one place to another.

a)

Thermal Conductor

b)

Thermal Energy

c)

Thermal Insulator

d)

Thermal Coupler

40.

Which of the following is not a source of thermal energy?

a)

  1. Friction

b)

  1. Heat source

c)

  1. Mitten

d)

  1. Chemical reaction

41.

A student places two identical toy bears on a shelf near a window.  The bears are at the same temperature.  Then the student opens the shutters on the window so that the sun shines on one of the bears but not on the other. Which of the following describes the thermal energy of the bears?

a)

  1. The thermal energy of both bears will be the same because they are both in the same room.

b)

  1. The thermal energy of both bears will be the same because they are identical bears and started out at the same temperature.

c)

  1. The thermal energy of the bear in the sunlight will be greater than the thermal energy of the bear in the shade because more energy was transferred directly from the sun to the bear in the sunlight.

d)

  1. The thermal energy of the bear in the shade will be greater than the thermal energy of the bear in the sunlight because the bear in the shade changed to a darker color, absorbing more thermal energy.

42.

Which of the following is true about chemical reactions?

a)

  1. Chemical reactions do not release or absorb energy.

b)

  1. Some chemical reactions release energy and others absorb energy.

c)

  1. All chemical reactions release energy.

d)

  1. All chemical reactions absorb energy.

43.

  1. Look at the diagram below.  In what direction will thermal energy move? 

a)

  1. From block A to block B until both blocks become the same temperature.

b)

  1. From block B to block A both blocks become the same temperature.

c)

  1. Thermal energy will not flow because the blocks do not touch.

d)

  1. Back and forth (between both blocks)  until they are both the same temperature.

44.

A student is holding a cold piece of metal in her hand.  While she is holding the piece of metal, her hand gets colder.  Does the piece of metal get warmer?  Why or why not? 

a)

  1. Yes, the piece of metal will get warmer because some thermal energy is transferred from the metal to the student’s hand.

b)

  1. Yes, the piece of metal will get warmer because some thermal energy is transferred from the student’s hand to the metal.

c)

  1. No, the piece of metal will stay at the same temperature because an equal amount of thermal energy is exchanged between the student’s hand and the metal.

d)

  1. No, the piece of metal will stay at the same temperature because thermal energy is not transferred between the student’s hand and the metal.

45.

If you place three ice cubes in a glass of water at room temperature, which of the following will occur? 

a)

  1. Energy from the water will transfer to the ice cubes, causing the ice to melt. 

b)

  1. Cold from the ice cubes will transfer to the water, causing the water to freeze.

c)

  1. Energy will transfer equally between the ice cubes and the water, causing no change. 

d)

  1. Cold is transferred from the ice/water mixture to the air, causing the air to cool.

46.

You are observing heat transfer in lab.  You pour 50mL of water in a styrofoam cup (the mass of water is 50g).  Then you put a 50 gram block of metal in the cup with the water.  You measured the temperature immediately but noticed no temperature change.

a)

  1. Heat can not transfer from a metal to water.

b)

  1. The metal must have been colder than the water.

c)

  1. The metal and water must have been the same temperature.

d)

  1. The room temperature must have been too hot to notice a difference. 

47.

Which of the following statements best explains why there is no change in temperature once thermal equilibrium between two objects in contact is reached?

a)

  1. Heat can flow between two objects in contact.

b)

  1. Heat does not flow between two objects at the same temperature.

c)

Heat does not flow from cooler object to warmer object.

d)

  1. Heat flows by conduction, convection and radiation when the temperatures are the same.

48.

  1. The thermal energy of an object depends on which of the following? 

a)

  1. Both the mass of the object and the material it is made of

b)

  1. The mass of the object but not the material it is made of

c)

  1. The material the object is made of but not the mass of the object

d)

  1. Neither the mass of the object nor the material it is made of

49.

  1. A student has two blocks made of the same type of wood. The wooden blocks are both at the same temperature, but Block 1 weighs more than the Block 2.

Which block has more thermal energy?

a)

  1. Block 1 has more thermal energy.

b)

  1. Block 2 has more thermal energy.

c)

  1. Both blocks have the same amount of thermal energy.

d)

  1. Neither block has any thermal energy.

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