Runny honey

Runny honey

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about investigating viscosity.
How to do this task

  • Place equal amounts of honey in two test tubes.
  • Place one test tube in a beaker of hot water, leave for 3 minutes.
  • Stand the test tubes next to one another. Hold a marble over each, and let the marbles fall into the liquid.

Question 1Change answer

a)  Describe what happened when the marbles fell into the liquid.
b) Explain why this happened.
Task administration: 
This task can be complete with pencil and paper or online, with other equipment.
 
Equipment:
Honey (clear runny type) or golden syrup; 2 test tubes; cup or beaker; 2 marbles.]

Prior teaching will need to include the concept of viscosity.

Level:
4
Description of task: 
In this practical task students investigate the effect of temperature on viscosity. Students describe and explain what has happened.
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 interpret data from an investigation.
Science capabilities: 
Answers/responses: 

a)

The marble moved quicker through the honey that had been heated.

b)

The heated honey was less viscous. (This explanation is sufficient at level 4).