Science investigation

Question 1

State the 2 ways that rate of reaction can be measured and give examples of how this can be achieved in an experiment

Answer 1

1. measuring the volume of gas given off by a reaction over time.
2. measuring the loss of mass of a reaction over time when a gas is produced

Question 2

draw graphs

Question 3

Explain key features of a rate graph

Question 4

Investigate the effect of concentration, temperature, or surface area on rate of reaction

Question 5

Develop a suitable method for an investigation by researching established methods

Question 6

Consider ways of safely handling chemicals and carrying out an experiment safely

Question 7

Make quantative observations of experiment proecesseses

Question 8

make qualative observations of experiment processes

Question 9

Present data in appropriate forms including tables and graphs

Question 10

ify errors in experimental procedure and possible improvements

Question 11

Explain how the reliability of data can be improved

Question 12

Explain using the collision theory how concentration, surface area, catalysts and temperature change the rate of reaction