Quiz about Openscied

Question 1

Balloon 1 and Balloon 2 are filled with the same amount of air. The air in Balloon 2 is cooled so that it is at a lower temperature than the air in Balloon 1. The air in which of these balloons has more thermal energy?

Accepted Answer

The air in Balloon 1 has more thermal energy.

Answer

The air in Balloon 2 has more thermal energy.

Answer

The air in Balloon 1 and the air in Balloon 2 have the same amount of thermal energy.

Answer

Neither the air in Balloon 1 nor the air in Balloon 2 has any thermal energy.

Question 2

You have two different rubber balls. These balls are made of the exact same material and have the same temperature. But the balls have different masses as shown in the diagram.

Which ball has the least total thermal energy, Ball A or Ball B?

Accepted Answer

Ball A

Answer

Ball B

Answer

Both Ball A & Ball B have an equal amount of thermal energy.

Question 3

When the bolts are added to the water, thermal energy will be transferred from the

Accepted Answer

bolts to the water.

Answer

water to the bolts.

Answer

water to the water.

Answer

bolts to the bolts.

Question 4

Which beaker will have the greatest change in temperature?

Accepted Answer

Beaker B

Answer

Beaker A

Answer

Beaker C

Answer

All beakers will have the same amount of change in temperature.

Question 5

On the cold day, the smell reached the student with the stopwatch slower than on the warm day. What does this data provide evidence of?

Accepted Answer

On a cold day, the molecules of gas in the room have less kinetic energy on average.

Answer

On a cold day, the molecules of gas in the room are lighter and move faster.

Answer

On a cold day, more energy is transferred to the gas in the container.

Answer

On a cold day, less energy was needed to move the gas across the room.

Question 6

Which bucket of water will have the greatest change in temperature?

Accepted Answer

Bucket A

Answer

Bucket B

Answer

Bucket C

Question 7

A hot pan was taken from the oven and placed on a table. The rate of thermal energy transfer between the pan and its surroundings depends on which of the following?

Accepted Answer

The temperature of the pan, the mass of the pan, and the temperature of the surroundings.

Answer

The temperature of the pan.

Answer

The mass of the pan.

Answer

The temperature of the surroundings.

Question 8

Bowling Pin 1 and Bowling Pin 2 are shown to the right.

They are both made up of the same types of molecules. They are both made up of the same number of molecules.

Bowling Pin 2 has more thermal energy than Bowling Pin 1.

Is the average speed of the molecules of Bowling Pin 1 more, less, or the same as the average speed of the molecules of Bowling Pin 2?

Accepted Answer

The average speed of the molecules of Bowling Pin 2 is more than the average speed of the molecules of Bowling Pin 1.

Answer

The average speed of the molecules of Bowling Pin 2 is less than the average speed of the molecules of Bowling Pin 1.

Answer

The average speed of the molecules of Bowling Pin 2 is the same as the average speed of the molecules of Bowling Pin 1.

Answer

More information is needed to say anything about the average speed of the molecules.

Question 9

A cook uses a metal bucket to make ice cream. After making ice cream, he places the cold bucket on the warmer counter. After some time, the metal bucket, the counter, and the air in the room will be at the same temperature. Why?

Accepted Answer

Because thermal energy will be transferred from the counter to the metal bucket and from the air to the metal bucket.

Answer

Because coldness will be transferred from the metal bucket to the counter and from the metal bucket to the air.

Answer

Because thermal energy will be transferred from the metal bucket to the counter and from the metal bucket to the air, and coldness will be transferred from the metal bucket to the counter and from the metal bucket to the air.

Answer

Because thermal energy will be transferred from the metal bucket to the air, but thermal energy will not be transferred from the metal bucket to the counter.

Question 10

In the morning, a student puts a warm can of soda in a cooler filled with ice.

What happened to the total amount of energy in the cooler containing the can of soda and the ice?

Accepted Answer

The total amount of energy stayed the same because the amount of energy that the can of soda lost is equal to the amount of energy that the ice gained.

Answer

The total amount of energy increased because the energy that the can of soda transferred to the ice is greater than the energy that the ice lost.

Answer

The total amount of energy decreased because the can of soda has less energy than it started with, and the amount of energy the ice has did not change.

Answer

The total amount of energy stayed the same because being warmer or colder does not affect the amount of energy objects have.

Question 11

How does heat from thermal energy move?

Accepted Answer

move from hot to cold

Answer

moves from cold to hot

Answer

moves up and never down

Answer

moves from side to side

Question 12

Heat always travels from...

Accepted Answer

Warm to cool

Answer

Cool to warm

Answer

Warm to warm

Answer

Cool to cool

Question 13

If thermal energy is increasing, what is happening to the kinetic energy.

Accepted Answer

Kinetic energy would be increasing

Answer

Kinetic energy would be decreasing

Answer

Kinetic energy would stay the same

Question 14

Energy transferred between two objects with varying temperatures, always transferring from warmest to coldest until the two objects have equal temperatures.

Accepted Answer

Heat

Answer

Thermal Energy

Answer

Energy Transfer

Answer

Temperature

Question 15

Heat transfers from an area of ____temperature to an area of ___ temperature.

Accepted Answer

high to low

Answer

low to high

Answer

high to high

Answer

It can travel high to low and low to high.

Question 16

A cup of tea with a temperature of 80 degrees Celsius is placed on a table in a 20 degree Celsius room.  What happens to the thermal energy and the molecular motion of the tea when it is left on the table?

Accepted Answer

The thermal energy decreases and molecules move more slowly.

Answer

The thermal energy increases and the molecules move faster.

Answer

The thermal energy increases and the molecules move more slowly.

Question 17

You are asked to conducted an experiment to see if changing the amount (mass) of rock in the system would affect the heating of the water (Figure 2).

You used two rocks of different masses and heated them both in an oven until they reached 200C. We used equal amounts of 20C water in each container.

Figure 2 shows the change in water temperature Before and After a given amount of time.

Which statement best describes why the change in water temperature is different for Rock A and Rock B in Figure 2.

Accepted Answer

Rock B has more mass so it has more thermal energy than Rock A for the same temperature. The more thermal energy Rock B has, the more it will transfer to the water, so the water temperature increases more due to Rock B having greater mass.

Answer

Rock A has more mass so it has more thermal energy than Rock B for the same temperature. The more thermal energy Rock A has, the more it will transfer to the water, so the water temperature increases more due to Rock A having greater mass.

Answer

Rock B has less mass so it has more thermal energy than Rock A for the same temperature. The more thermal energy Rock B has, the more it will transfer to the water, so the water temperature increases more due to Rock B having a less mass.

Answer

Rock A has less mass so it has less thermal energy than Rock B for the same temperature. The less thermal energy Rock A has, the more it will transfer to the water, so the water temperature increases less due to Rock A having less mass.

Question 18

When camping, we like to have hot cocoa made with milk. We conducted a second experiment to compare using milk in the plastic bag, instead of water. We used two rocks of the same mass at a temperature of 200C, and added the hot rocks to two separate plastic bags, each containing equal amounts of milk or water (Figure 3).

We found that the final temperature of the milk was different from the final temperature of the water, even though all the other experiment conditions were the same.

Use your knowledge of thermal energy transfer which statement describes why the final temperature of the milk was different from the final temperature of the water.

Accepted Answer

The amount of thermal energy transfer and the relationship of thermal energy to temperature depends on the materials.

Since milk is different from water, the thermal energy transfer and the temperature could be different.

Answer

The amount of thermal energy transfer and the relationship of thermal energy to temperature depends on the materials.

Since milk is the same as water, the thermal energy transfer and the temperature would not be different.

Answer

The amount of thermal energy transfer and the relationship of thermal energy to temperature does NOT depends on the materials.

Since milk is different from water, the thermal energy transfer and the temperature could be different.

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