# A company has made a new material called ‘Wellwarm’. They want to use ‘Wellwarm’ to make coats. (a) A scientist tested ‘Wellwarm’ to see how well it insulated a beaker of hot water. She tested ‘Wellwa

A company has made a new material called ‘Wellwarm’. They want to use ‘Wellwarm’ to make

coats.

(a) A scientist tested ‘Wellwarm’ to see how well it insulated a beaker of hot water.

She tested ‘Wellwarm’ and three other materials as shown below.

material A material B material C material D

She wrapped each beaker in a different material.

She recorded the temperature at the start and 20 minutes later.

1.

(i) What was the independent variable that the scientist changed?

## How to Solve A company has made a new material called ‘Wellwarm’. They want to use ‘Wellwarm’ to make coats. (a) A scientist tested ‘Wellwarm’ to see how well it insulated a beaker of hot water. She tested ‘Wellwa Nursing Assignment Help

The independent variable is the factor that is intentionally manipulated or changed by the scientist in an experiment. In this case, the scientist tested the insulation properties of different materials by wrapping each beaker in a different material. Therefore, the independent variable in this experiment is the choice of material used to wrap the beakers.

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