Specific heat capacity

Question 1

Valid results

Answer 1

•repeat practical and calculate a mean
•plot a graph of temperature change against time and use linear section of graph for temperature change
•small(eg 10 * C ) temperature change

Question 2

Safety

Answer 2

immersion heater gets very hot so avoid touching with bare hands

Question 3

Measurements

Answer 3

•Calculate energy transferred using joulemeter or ammeter , voltmeter and stopclock
•measure the mass of iron block using electric balance
•measure temperature change using themometer