1. ( Do some online research for this question.) We rely heavily on the scientific method when we perform investigations. We developed the scientific method in the 10-11 th century? What were two other contributions of this individuals to science?

2. You visited Canadian Tire and wants to buy a 15 L stock pot. To your surprise, you found many stock pots that are 15L in volume but they are made from different materials. You asked yourself: Does cooking with different kinds of cookware affect the time of cooking? You went home and did not make a purchase. You wanted to do some theoretical research to try to find out as much as you can on your question: Does cooking with different kinds of cookware affect the time of cooking?

When planning and designing an experiment, the investigator needs to identify all variables in their experiment.

a. What is the independent variable?

b. What is the dependent variable?

c. Identify any three controlled variables.

d. What measurement/s will you need to make in this experiment? ( Give the quantity, the unit of the quantity and the equipment that you will use to take the measurement)

e. Suggest two reasons why manufacturers may choose different materials to make their stock pots?