Mixing it up

Mixing it up

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about temporary and permanent changes.
A physical change is reversible (temporary) and no new substance is made; A chemical change is not reversible (permanent) and a new substance is made.
 

Question 1Change answer

Each of the following pairs of substances are mixed together.
Select from the drop down list to show if the change is temporary (physical only) or permanent.
 
a)   Water and oil PermanentTemporary

Question 3Change answer

b)   Baking soda and vinegar PermanentTemporary

Question 4Change answer

c)   Salt and sand PermanentTemporary

Question 5Change answer

d)   Milk and cream PermanentTemporary

Question 6Change answer

e)   Coffee and hot milk PermanentTemporary
Task administration: 
This task can be completed with pencil and paper or online with auto-marking.
Levels:
3, 4
Curriculum info: 
Science, Investigating in science, Material World
Keywords: 
changes, mixtures, temporary changes, permanent changes
Description of task: 
Students identify which substances undergo a permanent change when they are mixed together.
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 using criteria to make a decision to answer a question.
Making Better Sense: 
Permanent and Temporary Change
Answers/responses: 
  

Y8 (05/1999)
a)
b)
c)
d)
e)		 Temporary (No)
Permanent (Yes)
Temporary (No)
Temporary (No)
Permanent (Yes)		 2 correct – very difficult

1 correct – easy
Teaching and learning: 
Permanent changes is also known as "chemical" change.