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Slide 1:
Slide
Science
Lower Secondary (Key Stage 3)
This lesson contains
22 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
50 min
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Items in this lesson
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Slide 1 - Slide
Unit 4 Physical world
Chapter 26 - Speed
Slide 2 - Slide
Slide 3 - Slide
What is the connection
Slide 4 - Mind map
Slide 5 - Slide
Slide 6 - Slide
Distance
Time
Speed
cm
km
m
mm
s
h
m/s
km/s
cm/s
mm/s
Slide 7 - Drag question
Slide 8 - Slide
Slide 9 - Slide
What is the correct way to calculate speed
A
S=d + t
B
S=d - t
C
S=d / t
D
S=d x t
Slide 10 - Quiz
What is the correct way to calculate time
A
t = d + S
B
t = d/S
C
t = S - d
D
t = d - S
Slide 11 - Quiz
What is the correct way to calculate distance
A
d = s x t
B
d = t + s
C
d = s/t
D
d = t - s
Slide 12 - Quiz
What is velocity?
Velocity is how fast an object or an person moves.
it can present itself in km/h or m/s
Acceleration is a type of velocity
Slide 13 - Slide
What is
Acceleration?
Slide 14 - Slide
Slide 15 - Slide
But also
Slide 16 - Slide
Deceleration
Slide 17 - Slide
Speed
A change in distance over time
Acceleration
A change in speed over time
Slide 18 - Slide
Speed
A change in distance over time
Speed = Distance/time
Acceleration
A change in speed over time
Acceleration = (End speed-start speed)/time taken for change in speed
Slide 19 - Slide
Acceleration = (End speed-start speed)/time taken for change in speed
A car is moving at a speed of 4 ms-1. After 12s it is moving at a speed of 28ms-1. Calculate the acceleration of the car.
Slide 20 - Open question
Awnser
Acceleration = (End speed-start speed)/time taken for change in speed
=(28-4)/12
=24/12
= 2 ms -2
Slide 21 - Slide
Make excercises + flashcards
Flashcards:
Speed + formula
Velocity
Acceleration + formula
Excercises:
Page 167 - 2 - 6, 10, 12
What you can't finish will be homework!
Slide 22 - Slide
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