article_snippet: Pictured, David Cameron and Education Secretary Nicky Morgan watch a science experiment at a school earlier this month .
article_snippet: It is important you take all possible steps to mitigate that risk.
article_snippet: Mrs Morgan called for the situation to be monitored to ensure that pupils are still undertaking a range of practical activities.
article_snippet: Mrs Morgan added: ‘I would also expect – as I am sure you are planning – arrangements to be put in place to evaluate the impact of the approach when it is implemented in schools: with a commitment to revisit the decision if the evidence shows the approach to have had a detrimental effect.