New
New
Year 5

Air resistance: do and review

I can carry out an investigation into air resistance and evaluate results.

New
New
Year 5

Air resistance: do and review

I can carry out an investigation into air resistance and evaluate results.

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Lesson details

Key learning points

  1. Scientists often repeat tests in order to gather more information and make sure their results did not happen by chance.
  2. The findings from an investigation can be summarised in a conclusion.
  3. Greater surface area on a moving object can increase air resistance.

Keywords

  • Force - A force is a push or a pull. Forces can make objects change speed, change direction or change shape.

  • Air resistance - Air resistance is a type of friction force which acts between the air and the surface of an object.

  • Fair test investigation - A fair test investigation is where only one thing is changed, to see what effect that has on the results of the investigation.

  • Conclusion - In a conclusion, scientists explain what the results show or mean.

Common misconception

Air resistance does not exist or it only works vertically.

Explicit teaching including diagrams and examples of air resistance working in all directions.

This lesson should link directly to the previous lesson in this unit (Lesson 5) whereby children planned how they are going to find answers to the question: Does the area of a parachute affect air resistance?
Teacher tip

Equipment

See additional materials for guidance.

Content guidance

  • Risk assessment required - equipment

Supervision

Adult supervision required

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Air resistance is a type of force.
Correct Answer: friction
Q2.
Match the type of force to the example.
Correct Answer:air resistance,the force between the surface of a flying bird and the air

the force between the surface of a flying bird and the air

Correct Answer:friction,the force between moving roller skate wheels and the floor

the force between moving roller skate wheels and the floor

Q3.
Scientists control all but variable in a fair test investigation.
An image in a quiz
Correct Answer: one, 1
Q4.
What does air resistance do to moving objects?
An image in a quiz
Correct answer: slow them down
speed them up
nothing
Q5.
Match whether engineers would want to maximise or minimise air resistance to the correct situation:
An image in a quiz
Correct Answer:maximise,an aeroplane landing

an aeroplane landing

Correct Answer:minimise,an aeroplane taking off

an aeroplane taking off

Q6.
Which of these pictures shows the direction of air resistance correctly?
a.
Correct answer: b.
c.

6 Questions

Q1.
Which of these is not a reason that scientists repeat tests?
to gather more information
to check results are reliable
Correct answer: to create large tables of data
Q2.
Match the part of the investigation write-up to the content you might find there.
Correct Answer:prediction,a statement of what might happen

a statement of what might happen

Correct Answer:method,an explanation of how to do the investigation

an explanation of how to do the investigation

Correct Answer:results,a set of data

a set of data

Correct Answer:conclusion,an explanation of the results

an explanation of the results

Q3.
The of an object is the total area taken up by all of its surfaces added together.
Correct Answer: surface area
Q4.
How does surface area affect air resistance on moving objects?
An image in a quiz
the smaller the surface area, the greater the air resistance
the greater the surface area, the lower the air resistance
Correct answer: the greater the surface area, the greater the air resistance
Q5.
Why are aeroplanes designed to be long and thin?
An image in a quiz
to maximise air resistance
Correct answer: to minimise air resistance
to maximise passenger space
to minimise passenger space
Q6.
Objects which are short and wide have surface areas compared to long thin shapes.
Correct Answer: larger, bigger, greater

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