Embedded Files
speeding up
speeding up
It takes a force to make an object speed up.
slowing down
slowing down
It takes a force to make an object slow down.
changing direction
changing direction
It takes a force to make an object change direction
The Big Ideas
The Big Ideas
The three big ideas of motion are: objects can
travel at a steady speed (including stationary);
speed up or slow down or
change direction.
To make the most of this idea, explore these three situations with pupils using many different examples. Don’t forget that we consider not moving (stationary) as a steady speed.
The key problem with motion is being able to describe it accurately.
Key questions
Key questions
Can you describe how this object is moving?
is it travelling at a steady speed?
speeding up,
slowing down or
changing direction?
EYFS and KS1
EYFS and KS1
Experience and describe how things move, including steady speed, speeding up and slowing down and changing direction.
KS2
KS2
Compare how things move on different surfaces
Planets move in curved orbits
Pupils can use ratios to explain why objects moving at steady speeds travel twice as far when they have been travelling for twice as long.
Represent motion using arrows.
KS3
KS3
Pupils learn about speed and the quantitative relationship between average speed, distance and time (speed = distance / time)
Representing a journey on a distance-time graph
Understanding relative motion: trains and cars passing one another.
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