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Air Resistance 1

In this worksheet, students will be looking at the effects of air resistance - a type of friction.

'Air Resistance 1' worksheet

Key stage:  KS 2

Curriculum topic:   Forces

Curriculum subtopic:   Resistance and Friction

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Friction doesn't only occur when two solid objects come into contact with each other. It also happens when an object moves through the air. You can't see air but that doesn't mean there is nothing there. It is made up of many very tiny particles and when an object moves through the air it bumps into these particles. This causes friction and it slows down the moving object.

 

Something that is made to travel through the air, such as an aircraft, is designed to have as little air resistance as possible.

 

Aircraft blueprint

 

This worksheet should help you test your knowledge of air resistance.

Why do cyclists hunch down low over the handlebars to go faster?

 

Cyclist

it allows them to pedal harder

it reduces air resistance

it gives them more control over the bike

Parachute

 

How does a parachute work?

it makes the parachutist lighter

it propels the parachutist through the air

it increases the parachutist's air resistance

Is the following statement correct?



Two identical cars are driving along the same road but at different speeds. The car that is travelling the fastest is experiencing more air resistance.

yes

no

Sports car

 

What do we call something that is shaped to have as little air resistance as possible?

compact

angled

streamlined

What sort of force is air resistance?

a pulling force

a pushing force

a turning force

an air force

When an object is falling which direction does air resistance act in?

sideways

downwards

upwards

air resistance doesn't act on falling objects

If there was no air resistance a falling object would fall...

faster

slower

it would make no difference

  • Question 1

Why do cyclists hunch down low over the handlebars to go faster?

 

Cyclist

CORRECT ANSWER
it reduces air resistance
EDDIE SAYS
The cyclist hunches down so that as little as possible of their body is pushing through the air. This helps to reduce air resistance and allows them to go faster.
  • Question 2

Parachute

 

How does a parachute work?

CORRECT ANSWER
it increases the parachutist's air resistance
EDDIE SAYS
A parachute has a large surface area so it comes into contact with a lot of air. This means that there is a large amount of air resistance, which slows down the parachutist's fall to the ground.
  • Question 3

Is the following statement correct?



Two identical cars are driving along the same road but at different speeds. The car that is travelling the fastest is experiencing more air resistance.

CORRECT ANSWER
yes
EDDIE SAYS
The faster an object goes the more air particles it comes into contact with, and so the greater the air resistance.
  • Question 4

Sports car

 

What do we call something that is shaped to have as little air resistance as possible?

CORRECT ANSWER
streamlined
EDDIE SAYS
A streamlined object, such as a sports car, is shaped so it cuts through the air as easily as possible.
  • Question 5

What sort of force is air resistance?

CORRECT ANSWER
a pushing force
EDDIE SAYS
Air resistance acts against the direction in which the object is moving, so it is a pushing force.
  • Question 6

When an object is falling which direction does air resistance act in?

CORRECT ANSWER
upwards
EDDIE SAYS
Air resistance on a falling object acts in the opposite direction to gravity - in other words, upwards.
  • Question 7

If there was no air resistance a falling object would fall...

CORRECT ANSWER
faster
EDDIE SAYS
Air resistance is like a push acting in the opposite direction to the pull of gravity, so it slows down falling objects.
---- OR ----

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