Risk Flashcards
What is a hazard?
A hazard is something that could potentially cause harm.
What is risk in relation to hazards?
Risk is the chance that a hazard will cause harm.
Give an example of an obvious risk.
The risk of causing acid rain by polluting the atmosphere.
What new risks can arise from scientific advances?
New technologies, such as nanoparticles in cosmetics, may harm cells in our bodies.
How can you estimate the size of a risk?
By assessing how many times something happens in a large sample over a given period.
What factors must be considered when making decisions about activities involving hazards?
The chance of the hazard causing harm and the seriousness of the consequences.
What is considered a high-risk activity?
An activity involving a hazard that’s very likely to cause harm with serious consequences.
True or False: All risks have the same consequences.
False.
How do people generally perceive familiar vs. unfamiliar activities in terms of risk?
Familiar activities are viewed as low-risk, while unfamiliar activities are seen as high-risk.
What might lead people to over-estimate risks?
Long-term or invisible effects, such as ionizing radiation.
What are some hazards from science experiments?
- Microorganisms
- Chemicals
- Fire
- Electricity
What is an important part of planning an investigation?
Making sure that it’s safe.
What should you do after identifying hazards in an investigation?
Think of ways to reduce the risks from the identified hazards.
Fill in the blank: If you’re working with sulfuric acid, always wear _______.
[gloves and safety goggles]
What should you do to reduce the risk of starting a fire when using a Bunsen burner?
Stand it on a heat proof mat.
How can you find out about potential hazards?
- Looking in textbooks
- Doing internet research
- Asking your teacher
