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Q 1/18
Score 0
When heat is added or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?
30
It will change into a semi-solid.
It will change into a solid.
It will change into a gas.
It will change into a plasma.
Q 2/18
Score 0
A slice of cheese is 3.0°C and is sitting on a dish that is 3.0°C. If the dish and cheese are in the refrigerator that is set to 3.0°C, which of the following statements will be true?
30
Heat will not flow because there is not temperature difference.
Heat will flow from the air in the refrigerator to the cheese and the dish.
The temperature of the air in the refrigerator will decrease and the temperature of the cheese will increase.
The temperature of the cheese will increase and the temperature of the dish will decrease.
18 questions
Q.
When heat is added or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?
1
30 sec
Q.
A slice of cheese is 3.0°C and is sitting on a dish that is 3.0°C. If the dish and cheese are in the refrigerator that is set to 3.0°C, which of the following statements will be true?
2
30 sec
Q.
Mildred takes a pound of frozen hamburger meat out of the freezer and puts it into the refrigerator. Which of the following best describes the direction of the heat flow?
3
30 sec
Q.
A hot cooking pot is placed on a cold bench. When will the heat from the pot stop flowing into the bench?
4
30 sec
Q.
Arielle notices that the air in her math classroom is much warmer than the air in her science classroom. Which statement describes how the air particles are different in her colder science classroom?
5
30 sec
Q.
Josh puts his cold metal spoon into a bowl of hot mashed potatoes. Which process takes place when the spoon touches the mashed potatoes?
6
30 sec
Q.
What is the average kinetic energy of the individual particles of an object called?
7
30 sec
Q.
Which has more thermal energy, an iceberg or a pot of boiling water?
8
30 sec
Q.
Which of the following statements is true?
9
30 sec
Q.
What causes convection currents?
10
30 sec
Q.
What causes the weather systems on Earth?
11
30 sec
Q.
Why do you burn yourself when you touch a hot pan while making dinner?
12
30 sec
Q.
Why do you feel cooler when you jump in a swimming pool on a hot summer day?
13
30 sec
Q.
Why is the air in the upper story of a two-story house warmer than the lower story?
14
30 sec
Q.
Why does a heat lamp keep the food hot at a fast food restaurant?
15
30 sec
Q.
Why do you feel cooler when you put a cold towel on your forehead when you have a fever?
16
30 sec
Q.
Mrs. Aldaco added a room-temperature copper (Cu) cube and an aluminum (Al) cube that she just removed from the freezer to a beaker of boiling water. She left the cubes in the water for three hours. Which of the following describes a heat flow that took place during those three hours?
17
30 sec
Q.
The arrows in the figure show several ways heat is transferred from the Sun as it strikes sand on the surface of a beach. Which arrow shows convection?
