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Heat Transfer and Calorimetry

Authored by Charlie Knight

Science

9th - 12th Grade

NGSS covered

Used 2+ times

Heat Transfer and Calorimetry
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39 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What would be the effect on the particles if more heat energy is REMOVED from the system?

They would slow down
They would stop moving
They would speed up
There would be no effect

Answer explanation

Media Image

When heat energy is added to a substance, its particles gain kinetic energy and begin to move faster, resulting in increased vibration and collision rates between them; essentially, the more heat energy, the more the particles move, which is why temperature increases as a substance is heated.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If two objects have different temperatures when they come in contact, heat will flow from the warmer object to the cooler one UNTIL ____________

one reaches a temperature of zero

they both have an equal temperature

one runs out of energy

Answer explanation

Media Image

When two objects have different temperatures, heat always flows from the object with the higher temperature to the object with the lower temperature; meaning heat transfer occurs from a warmer area to a cooler area until they reach thermal equilibrium (the same temperature).

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A sample of iron receives 50.J of heat energy that raises the temperature of the iron by 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?  

25g
30g
20g
50g

Answer explanation

Explanation; Q or heat flow, or thermal energy is measured using temperature change and calculated using the formula Q= mC ΔT., Where "m" is the mass, "C" is the specific heat capacity and delta T is the change in temperature. To determine the mass, we divide both sides by the product c×delta T

Tags

NGSS.MS-PS3-4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A reaction is performed in a beaker with a temperature probe recording the temperature changes of the reaction.  If the temperature began at 15.0 degrees Celsius and ended at 27.5 degrees Celsius. Is the reaction endothermic or exothermic?

Exothermic
Endothermic

It is impossible to determine.

Answer explanation

Media Image

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

5.

DRAG AND DROP QUESTION

3 mins • 2 pts

The equation 𝑞 = 𝑚𝐶Δ𝑇 us understand how heat moves in and out of different materials. In this equation, 𝑞 stands for the amount of (a)   energy involved. The letter 𝑚 represents the (b)   of the substance. 𝐶 is called the (c)   , which tells us how much heat is needed to raise the ​ (d)   of one unit of the substance by one degree. Finally, Δ𝑇 means the ​ (e)   in temperature. This equation helps us calculate how much heat energy is gained or lost when materials get warmer or cooler.

A change in health

A change in heat

A change in height

heat
mass
specific heat capacity
temperature
change

Answer explanation

Media Image

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calorimetry is the measurement of the ___________

(Choose the best answer below.)

transfer of heat into or out of a system (reaction/process)

change in temperature

amount of energy required to raise the temperature of 1 gram of the substance by 1°C.

change in the mass of a substance throughout a reaction.

Answer explanation

Calorimetry specifically measures the transfer of heat into or out of a system during a reaction or process, making it the best answer. The other options describe related concepts but do not define calorimetry itself.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

energy

Change in temperature

specific heat

mass

Answer explanation

In the equation Q = mCpΔT, ΔT represents the change in temperature. It quantifies how much the temperature of a substance changes when heat is added or removed, making 'Change in temperature' the correct choice.

Tags

NGSS.MS-PS3-4

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