Heating up and cooling down II

Heating up and cooling down II

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
This task is about heat conduction.

Question Change answer

a)  In Box 3, diagram (a), put the letters A, B, and C to show the thermometer positions, so that they match the graph.
Image counting main image

Question 2Change answer

b)  How long after the start of the experiment, was the heat source removed? 

Question 2Change answer

c)  What was the temperature of C after 8 minutes?  °C

Question 2Change answer

d)  How long did it take for A to reach 40°C?  minutes

Question

e)  Which thermometer positions produced a temperature of at least 35° C? (select as many as you think)

    • A

    • B

    • C

Question 2Change answer

f)  What was the temperature difference between A and C at 14 minutes?  °C

Question 2Change answer

g)  The materials were left to cool for another hour. What would be the probable temperature of B at that time?  °C 
Task administration: 
This task can be completed with pencil and paper or online.
Level:
5
Curriculum info: 
Science, Communicating in science, Physical World
Keywords: 
physical inquiry, temperature, graph interpretation
Description of task: 
Students use stimulus material to answer a number of questions relating to temperature change in materials which are at different distances from a heat source.
Curriculum Links: 
Science capabilities
The capabilities focus is brought about by the conversations you have and the questions you ask.
 
Capability: Interpret representations
This resource provides opportunities to discuss the challenges of integrating written and visual texts.
Answers/responses: 
  Y10 (06/2001)
a) moderate
b) 10 minutes (must have unit) moderate
c) 28°C ± 1°C very easy
d) 4-4.9 minutes (must have unit) very easy
e) A and B moderate
f) 15°C ± 2°C easy
g) Same as the start/initial temperature/23°C ± 1°C difficult
Diagnostic and formative information: 
Common errors
a) 21% of students gave the answer CAB as opposed to ACB.
b) 26% of students gave the answer 20 mins.
e) 22% of students gave only B as their answer.
17% of students gave only A as their answer.
g) 17% of students gave 0° as their answer.
17% of students didn't answer the question.