Lesson |
Learning Outcomes |
Notes |
1 - Speed |
speed =
dist/time |
Number crunching
exercise is the name of the game - stress showing workings and
units etc. |
2 - Acceleration |
a = (v-u)/t
and
acceleration
= change in speed/time |
Developing
correct use of vocabulary is essential - pupils should start to
use the terms "accelerate and "acceleration" and be clear that
accelerating means increasing speed.
It
may be helpful to introduce the units as "metres per second each
second" to clarify the concept. |
3 - Distance/time
graphs
|
-
Be able to
sketch or
plot distance-time graphs for objects moving
at constant speed.
-
Be able to interpret
distance time graphs to determine whether an object is
moving at a constant speed or accelerating.
-
Be able to
calculate
speed from a distance/time graph, by finding the gradient.
|
|
4 - Speed/time
graphs |
|
|
5 - Resultant Forces |
|
|
6
- Force, mass,
acceleration |
Force = Mass
x Acceleration |
For Foundation
groups concentrate on the qualitative idea that a bigger applied
force gives a bigger acceleration (not just 'makes it go
faster'!) but a bigger mass is harder to accelerate. Give a few
very simple F = ma calculations. |
7 - Resistive Forces |
|
Introduce key terms
|
8 - Stopping distances |
-
Carry out a practical task to measure
reaction time, and observe the effects of distractions on
reaction time.
-
Know the factors that affect thinking
distance, and those that affect braking distance.
-
Determine thinking distance, braking
distance and total stopping distance by the plotting and
analysis of motion graphs or otherwise.
|
Key terms: reaction time, thinking
distance, braking distance and stopping distance. |
9 -
Mass and weight |
|
Explain difference
between mass ( amount of material) and weight (pull of gravity).
Show that 1kg = 10N using practical measurement. Practise
problems on mass and weight.
Summary - discuss
effect of reduced gravity on moon - show video clips. |
10 -
Terminal Speed
Extended
writing opportunity |
-
Understand
that air resistance acts on moving objects and increases
with speed.
-
Explain
why falling or moving objects reach terminal speed.
-
Sketch and
explain a Speed/Time graph for a falling object.
|
|
11 - Hooke's law |
-
Carry out a practical task to investigate
how the extension of a spring varies with the force applied.
-
Know that the extension of a spring is
proportional to the force applied, within the elastic region.
-
Be able to use the equation F = k × e
to solve numerical problems involving the elastic
deformation of materials.
|
Key terms: elastic region, plastic
region, directly proportional, spring constant, limit of
proportionality. |
12 - Hooke's law II |
-
Understand the terms elastic region,
plastic region and limit of
proportionality.
-
Be able to sketch and label a graph for a
material being stretched.
|
|