From a diagram of an experimental set up, students answer questions based on fair testing principles. Questions cover the control of variables, and measurement of results.
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 the importance of controlling variables when using fair testing for an investigation.
One potato is whole, the other is cut up (i.e., one has a greater surface area).
2 correct - very easy
1 correct - very easy
b)
Mass of potato.
Size of beaker.
2 correct - moderate
1 correct - very easy
c)
Measure: The softness of the potato. How: Explains how softness could be measured, e.g., put masses/weights on to see, which leaves an indent on the potato.