VERIFIED ANSWERS FOR A GUARANTEED PASS
what can science answer? - ✅✅1. Existence questions: asking what objects
and phenomena occur in the natural world
•
2. Origin questions: about how objects and
phenomena came to be
(e.g., landforms, clouds)
•
3. Process questions: examining how nature
works
(how things evolve, how disease starts)
•
4. Applied questions: looking for ways to
manipulate the world to our advantage
What's scientific method? - ✅✅Step 1: Data collection, including
observations
, experiments, measurements
, •
Step 2:
Synthesis
of the gathered data.
Recognition of patterns, search for symmetries and
regularities in the data.
•
Step 3:
Hypothesis
: Proposing a possible
explanation in the form of a theory
Step 4: test hypothesis
3 key dry air atmospheric gases are and their % composition - ✅✅1. Nitrogen (N
2
): 78% of dry air; inert, the
predominant gas
2. Oxygen (O
2
): 21% of dry air; by itself very