Interpreting distance-time graphs
I can describe the movement of objects represented by a distance-time graph.
Interpreting distance-time graphs
I can describe the movement of objects represented by a distance-time graph.
Lesson details
Key learning points
- A level line on a distance-time graph shows a stationary object (no movement).
- The greater the gradient (steeper the line) on a distance-time graph, the faster the movement.
- Upward and downward sloping lines on a distance-time graph show movement in opposite directions.
- The average speed between two points is calculated using speed = change in distance / time taken.
Common misconception
Students can think that a distance or time value read from a distance-time graph is the speed.
Remind students of the definition of speed, pointing out that it requires two pieces of information to find - both the distance and time.
Keywords
Distance-time graph - A distance-time graph is used to show how far an object has travelled over a period of time.
Average speed - The overall distance travelled divided by overall time for a journey.
Gradient - The gradient (steepness) of a line on a distance-time graph shows its speed. Higher gradients (steeper lines) show faster objects.
Stationary - A stationary object is not moving. It has a speed of 0 m/s.
Content guidance
- Risk assessment required - equipment
Supervision
Adult supervision required
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
shows the time
shows the distance
shows the maximum and minimum values
shows the speed of an object
numbers on the axis so that values can be read
lines from the axes that allow readings to be read easily
Exit quiz
6 Questions
The total distance travelled divided by the total time.
The steepness of a line on a graph.
Shows the distance something has moved at each moment.
Another name for the gradient of a graph.
Not moving.
