Reading distance-time graphs
I can read values of distance and time from graphs and use them to calculate speed.
Reading distance-time graphs
I can read values of distance and time from graphs and use them to calculate speed.
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Lesson details
Key learning points
- The labels on a graph describe what it shows.
- The numbers on the scale of a graph go up in equal amounts.
- The value of each small division is the value of a large division divided by the number of small divisions it contains.
- Each point on a distance-time graph describes where an object is at a point in time (not its speed).
- The speed of an object can be found from distance and time information read from a distance-time graph.
Keywords
Distance-time graph - A distance-time graph is used to show how far an object has travelled over a period of time.
Axis - The horizontal axis on a distance-time graph shows the time and the vertical axis shows the distance.
Scale - Each axis has a scale which shows the variable name and the minimum and maximum values.
Division - Scales are marked with divisions so that values can be read from the distance-time graph.
Average speed - The overall distance travelled divided by overall time for a journey.
Common misconception
Pupils often interpret distance-time graphs (intuitively) as pictures.
Guide pupils step by step through interpreting d-t graphs and link each line with a motion (repeatedly).
To help you plan your year 8 science lesson on: Reading distance-time graphs, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 science lesson on: Reading distance-time graphs, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 3 science lessons from the Moving by force unit, dive into the full secondary science curriculum, or learn more about lesson planning.
Content guidance
- Risk assessment required - equipment
Supervision
Adult supervision required
Licence
Lesson video
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Starter quiz
6 Questions
distance
time
mass
speed
force
Exit quiz
6 Questions
Shows the distance something has moved at each moment.
Horizontal or vertical line showing the variable names.
Numbers on an axis showing the minimum and maximum values.
Lines on an axis to allow values to be read from a graph.
Distance moved by an object, divided by the time taken.
