A student measures the density of a sample of cooking oil.
She uses a measuring cylinder and an electronic balance.
State the equation linking density, mass and volume.
Which of the following is a correct unit for density?
Complete the table to show what is measured by an electronic balance.
| Measuring instrument | What it measures |
|---|---|
| measuring cylinder | volume |
| electronic balance | [Answer Here] |
Describe how the student should use each instrument to make her measurements as accurate as possible.
The student wants to ensure her experiment is a fair test when comparing different liquids.
State one factor about the environmental conditions that she should keep the same throughout her experiment.
Why is it important that she keeps this factor constant?
