1. SCIENCE - (Greek) to know
Purpose of science:
– To investigate
– Understand natural
world
– Use explanations to
make useful
predictions

2. Biology - Study of Life
Pure biology Applied biology
- taking what you know
- explore just to have
knowledge and applying it to make
life better
Ex: felt tip pens designed for
antigravity writing in
space
- plants - use capillary
action in plumbing to
help water to flow up

3. Scientific inquiry
Begins with
observations -
gathering info about
events in an orderly
way
Information gathered
is called data

4. Two categories of Data
1.Qualitative Data
gathering data by
observing, describing,
characteristic that can’t
be counted
Ex: identical twin
personality traits,
behaviors, genetics

5. 2. Quantitative Data
Data taken by counting or measuring

6. Types of Variable
Independent Dependent
Variable: Variable
– A factor that is – Variable that is
changed in an
experiment measured
– Only use one – Graphing= goes on
independent variable y-axis
when experimenting
– Graphing=goes on
x-axis

7. ACTIVITY: SCIENTIFIC
PROCESS
Collecting Observations -
– Record the # of heart beats in one minute
– State a Problem - How will exercise effect
this #?
Form a Hypothesis Use If…then…. statements
Make a Prediction
- Determine the # of beats you think you will count in the
same length of time after you jog in place for one
minute

8. Verify Prediction
– After jogging in place, record the # of beats
taken for one minute
Drawing a Conclusion
- Is there a connection between exercise and the
rate of heart beats?

9. GROUP ACTIVITY (answer
with a partner)
1. What was the control part of the
experiment?
2. Was the data you recorded qualitative or
quantitative?
3. What is the independent variable?
4. What is the dependent variable?

10. Enough for Now

11. Characteristics of Life Quiz
List eight characteristics that classify a
mushroom as a living thing
Explain the difference between sexual
and asexual reproduction
Explain one way a human responds to the
environment to maintain homeostasis

12. Characteristics of Life Quiz
List eight characteristics that classify a
mushroom as a living thing.
2. What is the difference between growth
and development?
3. Give an example of human
homeostasis.