Title: 
Headings: 
Descriptive
 
Investigation:
 

Comparative
 
Investigation:
 

Experimental
 
Investigation:
 

Vocabulary
 


Content: Three
 
Types
 
of
 
Science
 
Investigations
 
Descriptive
 
Investigation: Involve
 
describing
 
and/or
 
quantifying
 
parts
 
of
 
a
 
natural
 
system. Example
 
–
 
observing
 
cells
 
under
 
a
 
microscope
 
and
 
diagramming
 
what
 
is
 
seen. Has
 
a
 
research
 
question,
 
procedures,
 
and
 
conclusion
 


Used
 
when
 
little
 
is
 
known
 
about
 
the
 
topic
 


No
 
hypothesis
 
or
 
prediction
 


Key
 
words: Observe,
 
describe,
 
list,
 
identify
 

Comparative
 
Investigation: Involve
 
collecting
 
data
 
on
 
collecting
 
data
 
on
 
different
 
populations/organisms,
 
under
 
different
 
conditions
 
(ex. Times
 
of
 
year,
 
locations),
 
to
 
make
 
a
 
comparison. Has
 
a
 
research
 
question,
 
possible
 
hypothesis,
 
procedures,
 
and
 
conclusion. Can
 
have
 
independent/manipulated
 
and
 
dependent/response
 
variables
 


No
 
control
 
/
 
control
 
group
 


Key
 
words: Compare/contrast,
 
similarity/difference,
 
categorize
 

Experimental
 
Investigation: