http://www.thinkgeography.org.uk/ASGeog.html
http://www.thinkgeography.org.uk/A2Geog.html
http://www.thinkgeography.org.uk/ASGeog.html
http://www.thinkgeography.org.uk/A2Geog.html
Try this in your A Level lessons. Might wake them up!
Alternative clocks - set time limits for activities in fun ways:
Finish before the ice cube melts;
Finish before the slice of apple is not eatable;
Finish before the cymbal fades;
Finish before the music stops;
Finish before the match burns down (careful)
Finish before the snail makes it to the food
Etc.