Year 7 Science - Term 1 - Revision

Qualitative observations are descriptive. These are recorded as diagrams or written down as words.

• True

• False

What is the missing word?

An ___________is something that you can either, see, touch, smell, hear or taste that provides you with information on something.

• Experiment

• Safety Rule

• Observation

Quantitative Observations allow scientists to give more accurate, detailed observations. They are written as numbers.

• True

• False

To Infer means.................?

• something that you can either, see, touch, smell, hear or taste that provides you with information on something.

• a logical assumption based on observation/s.

• to make an inference or logical explanation based on an observation.

A prediction is...............?

• something that you can either, see, touch, smell, hear or taste that provides you with information on something.

• a logical assumption based on observation/s.

• to make an inference or logical explanation based on an observation.

Evaporation – is .................?

• Where Gas disapears

• the process where heat causes a liquid to change state from a liquid into a gas.

• Where a solid turns into a liquid

• Where a gas turns into a liquid

What seperation process separates a solvent from its solute, with the solvent being lost in the atmosphere.

• Distillation

• Evaporation

• Centrifuging

• Magnetic Separation

What separation process uses both evaporation and condensation to separate substances?

It is when a gas condenses back into a liquid so that it can be collected.

• Evaporation

• Distillation

• Centrifuging

What separation process is a mechanical process which involves the use of the centrifugal force to separate particles from a solution such as blood.

• Evaporation

• Distillation

• Centrifuging

What is the variable that is directly affected by the Independant Variable? It is the result of what happens as time, dates, depth and temperature are changed.   This  is placed on the Y axis?

• Dependant Variable

• Controlled Variable

• Independent Variable

• Solvent