Y7: Mixtures

• Chemistry
• Lower Secondary (Key Stage 3)

Y7: Mixtures

The variable that is changed by an investigator during an experiment.

The variable that is measured during an experiment.

The variable(s) that are kept the same to ensure a fair test.

A result that is close to the true value.

Results are grouped close together.

Precise

Control variable

Accurate

Independent variable

Dependent variable

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Give examples of fluids in everyday life that are mixtures.

Mixtures

Pure substances

Describe these particles in as much detail as possible.

Describe these particles in as much detail as possible.

Describe these particles in as much detail as possible.

Element or compound?

1. Element
2. Compound

Element or compound?

1. Element
2. Compound

Element or compound?

1. Element
2. Compound