WJEC GCSE Science Double Award Practical and enquiry skills (Unit 7) overview quiz quiz

The variable you measure

A variable you keep the same

The variable you change

A variable that does not matter

The one you change

The one you keep the same

The one you measure

The one you ignore

Doing it quickly

Changing several variables at once

Repeating it once

Changing only the independent variable and keeping the others the same

A final conclusion

A testable prediction

A list of equipment

A safety rule

They mean the same thing

Accurate is close to the true value; precise is close to each other

Accurate is close to each other; precise is close to the true value

Precise results are always wrong

To use more paper

To change the independent variable

To reduce the effect of random errors and improve reliability

To make the test unfair

Include it in the mean

Double it first

Identify and ignore it

Use only the anomaly

A random error

A systematic error

An anomaly

A reading error

The dependent variable

The control variable

It does not matter

The independent variable

Dot-to-dot between points

A line (or curve) of best fit

A vertical line

Do not draw a line

When both variables are continuous numbers

When the independent variable is in categories

Always

Never

Saying 'it went well'

Stating the pattern and explaining it with scientific knowledge

Listing the apparatus

Ignoring the hypothesis

Take more repeat readings

Change two variables at once

Use a smaller range

Skip the control variables

The best graph to use

The hazards and the precautions to reduce them

The mean of the results

The independent variable