How Scientists Work (LC 2027) (Leaving Cert Chemistry): Flashcards
📚Flashcards
Practise the cards
14 cards from this deck
ShowHide
Practise the cards
14 cards from this deck
Latin origin of 'science'
Latin origin of 'science'
Scientia (meaning knowledge)
Natural sciences
Natural sciences
Study physical world: physics, chemistry, biology, geology
Physical sciences
Physical sciences
Non-living things: physics, chemistry, astronomy, geology
Biological sciences
Biological sciences
Living organisms: botany, zoology, microbiology
What is chemistry?
What is chemistry?
Composition of substances, reactions, formation of new substances
What is the scientific method?
What is the scientific method?
Logical organised process to test ideas & discover knowledge
What is a hypothesis?
What is a hypothesis?
Educated guess/proposed explanation that must be testable
Scientific method structure
Scientific method structure
Cyclical - return to earlier steps if hypothesis not supported
Step 1 of scientific method
Step 1 of scientific method
Observation - noticing something interesting in environment
Step 2 of scientific method
Step 2 of scientific method
Question - develop questions from observations
Step 7 of scientific method
Step 7 of scientific method
Conclusions - whether hypothesis supported or not
What is data?
What is data?
Information gathered from tests during experiments
Quantitative data
Quantitative data
Numerical measurements: mass, volume, temperature, time
Qualitative data
Qualitative data
Descriptive observations: colour, gas, precipitates, odours