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 Page 1


Speed, Distance & Time
Page 2


Speed, Distance & Time
Describe the word
‘speed’ in terms of
moving objects.
State the
components of the
speed equation.
Calculate speed
using the speed
equation. 
Learning Points
Page 3


Speed, Distance & Time
Describe the word
‘speed’ in terms of
moving objects.
State the
components of the
speed equation.
Calculate speed
using the speed
equation. 
Learning Points
What is speed?
To work out the speed
of an object, you need
to know how far an
object has travelled and
how long it has taken
the object to travel the
distance.
Speed is a measure of
how fast an object is
moving.
Page 4


Speed, Distance & Time
Describe the word
‘speed’ in terms of
moving objects.
State the
components of the
speed equation.
Calculate speed
using the speed
equation. 
Learning Points
What is speed?
To work out the speed
of an object, you need
to know how far an
object has travelled and
how long it has taken
the object to travel the
distance.
Speed is a measure of
how fast an object is
moving.
Speed Equation
S p e e d
D i s t a n c e
T i m e
Page 5


Speed, Distance & Time
Describe the word
‘speed’ in terms of
moving objects.
State the
components of the
speed equation.
Calculate speed
using the speed
equation. 
Learning Points
What is speed?
To work out the speed
of an object, you need
to know how far an
object has travelled and
how long it has taken
the object to travel the
distance.
Speed is a measure of
how fast an object is
moving.
Speed Equation
S p e e d
D i s t a n c e
T i m e
Calculating Time
T i m e
D i s t a n c e
S p e e d
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FAQs on PPT: Motion and Time - Science Class 7 (Old NCERT)

1. What is the difference between distance and displacement?
Ans.Distance refers to the total path covered by an object during its motion, regardless of direction, while displacement is the shortest distance from the initial to the final position of the object, taking direction into account.
2. How do we measure time in motion?
Ans.Time in motion is typically measured using clocks or stopwatches. In physics, the concept of time is crucial for calculating speed, velocity, and acceleration, which are essential for understanding motion.
3. What is the formula for calculating speed?
Ans.Speed is calculated using the formula: Speed = Distance / Time. This formula indicates how fast an object is moving over a given distance in a specific period.
4. Can you explain uniform motion and non-uniform motion?
Ans.Uniform motion refers to motion in which an object covers equal distances in equal intervals of time, while non-uniform motion involves varying distances covered in equal time intervals, indicating changes in speed.
5. How does acceleration differ from velocity?
Ans.Velocity is a vector quantity that refers to the rate of change of displacement of an object, including its direction, while acceleration is the rate of change of velocity over time, indicating how quickly an object is speeding up or slowing down.
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