Before planning an investigation you need to identify the variables.
Part of Biology (Single Science)Practical skills
A risk assessment is a careful examination of what could cause harm to people during a scientific investigation.
A hazard is anything that may cause harm, such as chemicals, electricity, extreme heat etc.
The risk is the chance, high or low, that somebody could be harmed by the hazards identified.
The prevention methods are strategies put in place to avoid any injuries.