RPA02: thermal installation

Question 1

What is the aim

Answer 1

Investigate the effectiveness of different materials as thermal insulators

Question 2

What is step one for testing different types of material

Answer 2

Wrap four of the five beakers with an insulating material

Question 3

Step two for testing different types of materials

Answer 3

Cut circles made of cardboard to form lids for each beaker

Question 4

Step three for testing different types of materials

Answer 4

Fill each beaker with water boiled from the kettle

Question 5

Step four for testing different types of materials

Answer 5

Record initial temperature of each beaker

Question 6

Step five for testing different types of materials

Answer 6

Start stopwatch and measure temperature every three minutes

Question 7

Step six for testing different types of materials

Answer 7

Calculate changing temperature for each beaker using:
Initial temperature – final temperature

Question 8

What is step one for testing different thicknesses of insulator

Answer 8

Wrap five beakers in varying thicknesses of one insulating material

Question 9

Step two for testing different thicknesses of insulator 

Answer 9

Fill each beaker with warm water and record the initial temperature whilst covering each beaker with paper lids

Question 10

Step three for testing different thicknesses of insulator 

Answer 10

Measure temperature every three minutes

Question 11

Step four for testing different thicknesses of insulator

Answer 11

Record results and calculate change in temperature of each beaker using:
Initial temperature – final temperature