Secondary
National Strategy
How Science Works
“Stepping Stones”
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
 What is the issue?
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
 Can you pick out a fact?
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
 What is a piece of evidence?
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At 11.36a.m.
Mr Briggs was observed driving along Water Street.
A speed camera measured his speed at 36mph.
This is 6mph above the speed limit. Mr Briggs
denies that he was speeding”.
 What piece of information is not linked to the issue?
Secondary National Strategy Science
© Crown copyright 2005
Stepping Stone [Example 2]
Is Mr Briggs guilty of speeding?
“Sunday March 7th was a cold sunny day. At
11.36a.m. Mr Briggs was observed driving
along Water Street. A speed camera measured
his speed at 36mph. This is 6mph above the
speed limit. Mr Briggs denies that he was
speeding”.
Secondary National Strategy Science
© Crown copyright 2005