Investigating Energy transfers

Question 1

Step 1

Answer 1

Boil water in a kettle and pour some of it into a seal-able container to a safe level and measure the mass of the water in the container. By placing the seal-able container on the balance and setting it to 0 before before pouring the water in it.

Question 2

Step 2

Answer 2

Measure the temp using a thermometer. Then, seal the container and leave it for 5 minute. Measure this time with a stopwatch.

Question 3

Step 3

Answer 3

Remove the lid and measure the final temp of the water. Then, Pour the water away and allow the container to cool to room temp.

Question 4

Step 4

Answer 4

Repeat this experiment 5 times using a different material the container in each time once it has been sealed.

Question 5

Control variables

Answer 5

Mass of water
container used

Question 6

Independent variable

Answer 6

Insulating material used

Question 7

Dependent variable

Answer 7

Amount of energy lost