Warm feet

Warm feet

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about creating a fair test.

Question 1Change answer

Sarai had cold feet.
Her grandmother said, "Put on 2 pairs of socks and your feet will stay warm". 
Sarai wanted to carry out an investigation to test her grandmother's advice. She decided to use plastic containers of hot water for 'feet'.
She put a container inside 1 sock and the other inside 2 socks which provided double thickness. She measured the temperature of the water every 2 minutes.
List four things that Sarai must do for her test to be 'fair'.
1.  
2.  
3.  
4.  
Task administration: 
This task can be completed with pen and paper or online (with NO auto marking).
Level:
5
Curriculum info: 
Science, Investigating in science, Physical World
Keywords: 
physical inquiry, heat retention, insulation, fair testing
Description of task: 
Students read a passage about a proposed fair test and then list four variables that need to be controlled.
Curriculum Links: 
Science capabilities
The capabilities focus is brought about by the conversations you have and the questions you ask.
 
Capability: Gather and interpret data
This resource provides opportunities to discuss variables in fair testing.
 
Science capabilities: 
Gather and interpret data
Answers/responses: 
Any 4 of:
  • Same amount of water in container
  • Same temperature of water at start
  • Identical plastic container
  • Containers put in same place in socks
  • Socks are identical in type
  • Same length of trial
  • Repeat trials/several trials
  • Other relevant points

4 correct - difficult

3 correct - easy

2 correct - easy

1 correct - easy