RPA02: thermal installation Flashcards

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1
Q

What is the aim

A

Investigate the effectiveness of different materials as thermal insulators

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2
Q

What is step one for testing different types of material

A

Wrap four of the five beakers with an insulating material

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3
Q

Step two for testing different types of materials

A

Cut circles made of cardboard to form lids for each beaker

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4
Q

Step three for testing different types of materials

A

Fill each beaker with water boiled from the kettle

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5
Q

Step four for testing different types of materials

A

Record initial temperature of each beaker

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6
Q

Step five for testing different types of materials

A

Start stopwatch and measure temperature every three minutes

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7
Q

Step six for testing different types of materials

A

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

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8
Q

What is step one for testing different thicknesses of insulator

A

Wrap five beakers in varying thicknesses of one insulating material

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9
Q

Step two for testing different thicknesses of insulator 

A

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

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10
Q

Step three for testing different thicknesses of insulator 

A

Measure temperature every three minutes

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11
Q

Step four for testing different thicknesses of insulator

A

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

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