Yr7 Science Spot quiz 1

Select the variable you would MEASURE in an experiment.

• controlled

• dependent

• independent

• both the dependent and independent

Students wanted to observe the effects of fertiliser when added to growing pea plants.

One question they asked was 'Do pea plants grow taller with the addition of fertiliser?'.

Identify what type of variables are in the experiment by dragging and dropping the answers into the correct column.  

• fertiliser

• Dependent

• type of pea plant

• Independent

• height of pea plant

• Controlled

• time

• controlled (2)

The variable that is changed in the experiment is the independent variable.

• True

• False

Controlled variables are needed in every experiment.

• True

• False

Up to three independent variables can be tested in one experiment.

• True

• False

In a 'fair' experiment, all variables are tested.

• True

• False

A reliable experiment is when it is repeated several times and produces similar results. 

• True

• False