3-Spr1-B

Outcomes

• Pupils can identify factors which affect reaction time
• Pupils can appreciate that stopping distance is a combination of thinking distance and stopping distance
• Pupils can list factors which affect thinking distance (the person) and braking distance (the vehicle)

Specification References

1.17 describe the factors affecting vehicle stopping distance including speed, mass, road condition and reaction time

Main Body of Lesson

Ruler dropping -

There are lots of computer based reaction timers (dot, BBC sheep and traffic light)

Plenary

Can talk about how improtant reaction times are in the 100m sprint. Here is a useful website with some good facts on.

Additional Information

Notes

The wikipedia page on mental chronometry is very good, especially the types of tests available. Average response time for simple visual stimuli is 190ms