Lesson 1 What varies?
Activity 1 Coloured shapes
|What is the relationship between the variables colour and shape? Complete Table (1).||Table (1)|
Coloured shapes again
Look at the new set of shapes.
What are the variables and their values? Complete Table (2).
Is there still a relationship between colour and shape?
Are any of the variables related?
If you think the answer is ‘yes’ how are they related?
Activity 2 Coloured containers
What relationship is there between colour and size?
What do you predict will be the relationship between size and weight? Test your prediction, and complete Table (3) below.
Is there a relationship between size and weight?
What relationship is there between colour and weight?
© P. Adey, M. Shayer, C. Yates 2001. Thinking Science 21
Variables, values, relationships
Look at the sets of pictures.
Some things vary from picture to picture, and some stay the same.
Talk in your groups and decide: what are the variables in each picture, what are their values, and is there any relationship between any of the variables?
22 © P. Adey, M. Shayer, C. Yates 2001. Thinking Science