The 4th section of your Laboratory Report, is about the VARIABLES.
You have to identify (say):
  • WHICH are the VARIABLES you will CHANGE,
  • WHICH VARIABLES you will MEASURE/OBSERVE and
  • WHICH VARIABLES will NOT CHANGE
VARIABLES-experiments 1.GIFVARIABLES-experiments 2.GIF

VARIABLES-experiments 3.GIFVARIABLES-experiments 4.GIF
VARIABLES-experiments 5.GIFVARIABLES-experiments 6.GIF

VARIABLES-experiments 7.GIFVARIABLES-experiments 8.GIF
VARIABLES-experiments 9.GIFVARIABLES-experiments 10.GIF
VARIABLES-experiments 11.GIFVARIABLES-experiments 12.GIF

Now you are going to practise finding the variables.

click here to download a WORD version of this exercise.


Terry loves birds and wants to see as many as she can in her garden. She wants to know whether she is wasting money buying an expensive mixed seed, when a cheaper brand just arrived at her local shop. She wonders… will the expensive seed attract more birds to her back garden? So she decides to carry out an experiment.

  1. Design Terry´s experiment:
Independent
variable

Dependent Variable

Controlled Variable


  1. Write up the first part of her laboratory report. Include the following sections:
Title:
Aim:
Hypothesis:
Variables:
Equipment:
Diagram:
Method:





VARIABLES-experiments 16.GIF