Bleach

Bleach

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about the properties of bleach.

Question 1Change answer

illustration: pouring bleach
 
This information was found on a bottle of bleach:
 
  • Use for all tough cleaning and germ killing.
  • Caution: keep out of the reach of children.
  • If accidentally swallowed do NOT induce vomiting, give copious quantities of milk or water and call a doctor or the National Poisons Centre immediately.
 
a)   Name one type of germ that bleach will kill.

Question 2Change answer

b) Why should a bottle of bleach be kept away from children?

Question 3Change answer

c)  If someone were to accidentally swallow bleach, what is the effect of giving them large quantities of water or milk?
Task administration: 
This task can be completed with pencil and paper or online.
Copyright: 
illustration: pouring bleach
Image: Richard Villalon | iStock 
Level:
5
Curriculum info: 
Science, Understanding about science, Material World
Keywords: 
properties, society, household chemicals, safety, alkalis, acid-base reactions, neutralisation
Description of task: 
Students answer three questions about information found on a bottle of bleach.
Curriculum Links: 
Science capabilities
The capabilities focus is brought about by the conversations you have and the questions you ask.
 
Capability: Use evidence
This resource provides opportunities to discuss using criteria to inform explanations.
Science capabilities: 
Use evidence
Answers/responses: 
  
Y10 (07/1999)
a) Bacteria/fungi/viruses or named example. moderate
b) Substance is harmful (to children)/they could drink it. very easy
c) To dilute the bleach. moderate