Specific heat capacity required practical

In this lesson we will be applying our understanding of specific heat capacity to complete one of the required practicals for the physics part of the course. We will perform an investigation to determine specific heat capacity, and in the process consider effects on uncertainty in our readings.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.The definition of temperature is:

The average kinetic energy of molecules in the substance The sum of the kinetic energies of the molecules in the substance The product of the kinetic energies of the molecules in the substance The sum of the kinetic and potential energies of the molecules in the substance

1/7

Q2.Which will have more energy in its thermal store?

A sparkler at 3000 ᵒC A sofa at 30 ᵒC A pan full of water at 100 ᵒC A cruise ship at 20 ᵒC

2/7

Q3.Revision: Which of these is the correct definition of power?

How much energy is transferred The rate of energy transfer The time taken for energy to be transferred How much energy is transferred at once

3/7

Q4.What is the correct definition of specific heat capacity?

The energy required to increase temperature of a substance by 1 ᵒC The energy required to increase temperature of 1 kg of a substance by 1 ᵒC The energy required to heat a substances by 1 ᵒC The energy required to change state of 1 kg of a substance

4/7

Q5.Revision: How long would it take a 200 W motor to transfer 1000 J of energy?

5 s 50 s 0.2 s 0.02 s

5/7

Q6.Which will require the most energy to raise its temperature by 2 ᵒC?

Oil Water Aluminium Copper

6/7

Q7.How much energy is required to raise the temperature of 4 kg of water by 2 ᵒC? (c = 4200 J/kg ᵒC)

336 000 J 8 400 J 33 600 J 16 800 J

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.The definition of temperature is:

1/7

Q2.Which will have more energy in its thermal store?

A sparkler at 3000 ᵒC A sofa at 30 ᵒC A pan full of water at 100 ᵒC A cruise ship at 20 ᵒC

2/7

Q3.Revision: Which of these is the correct definition of power?

How much energy is transferred The rate of energy transfer The time taken for energy to be transferred How much energy is transferred at once

3/7

Q4.What is the correct definition of specific heat capacity?

4/7

Q5.Revision: How long would it take a 200 W motor to transfer 1000 J of energy?

5 s 50 s 0.2 s 0.02 s

5/7

Q6.Which will require the most energy to raise its temperature by 2 ᵒC?

Oil Water Aluminium Copper

6/7

Q7.How much energy is required to raise the temperature of 4 kg of water by 2 ᵒC? (c = 4200 J/kg ᵒC)

336 000 J 8 400 J 33 600 J 16 800 J

7/7

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Specific heat capacity required practical

This quiz will test your understanding of the specific heat capacity required practical and earlier lessons from this topic.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Revision: Which will require the most energy to raise its temperature by 2 ᵒC?

Iron Water Aluminium Copper

1/5

Q2.Revision: A bungee jumper starts with 1000 J in their GPE store. After they jump they fall and are brought to a stop with the bungee cord. With the cord fully stretched what is the energy in the EPE store?

0 J 125 J 500 J 1000 J

2/5

Q3.Which of these is a hazard when investigating the specific heat capacity of a metal block using a 12 V heater

Electrocution Hot metals Burns Broken toes

3/5

Q4.What does the gradient of an energy transferred vs. temperature change graph tell us?

heat capacity of the material specific heat capacity of the material specific latent heat of the material internal energy of the material.

4/5

Q5.Which of these changes will reduce uncertainty in the experiment.

Insulating the material to be tested Insulating the heater Starting with the heater already hot Using a larger mass

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Specific heat capacity required practical

This quiz will test your understanding of the specific heat capacity required practical and earlier lessons from this topic.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Revision: Which will require the most energy to raise its temperature by 2 ᵒC?

Iron Water Aluminium Copper

1/5

Q2.Revision: A bungee jumper starts with 1000 J in their GPE store. After they jump they fall and are brought to a stop with the bungee cord. With the cord fully stretched what is the energy in the EPE store?

0 J 125 J 500 J 1000 J

2/5

Q3.Which of these is a hazard when investigating the specific heat capacity of a metal block using a 12 V heater

Electrocution Hot metals Burns Broken toes

3/5

Q4.What does the gradient of an energy transferred vs. temperature change graph tell us?

heat capacity of the material specific heat capacity of the material specific latent heat of the material internal energy of the material.

4/5

Q5.Which of these changes will reduce uncertainty in the experiment.

Insulating the material to be tested Insulating the heater Starting with the heater already hot Using a larger mass

5/5

Lesson summary: Specific heat capacity required practical

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The next lesson in Energy is "Insulating material required practical (Part 1)"

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