3. Reading
Aim: Scientists
at Work
(p. 736)
Talk About It
If you could
be a scientist, what would you study? What
do you think the scientist in this photograph is
doing?
4. Specimens are items or parts typical of a
whole group.
Erupted means forced out or burst forth.
Something that is murky is too dark or
cloudy to see through clearly.
Something that is dormant is quiet or not
active for a period of time.
5. Biology is the study of living things.
If something was scoured, it was cleaned,
cleared, or worn away.
Research is a careful study to find and learn
facts about a subject.
An observer is a person who watches in a
close and careful way.
6. Reading
Aim: Hidden Worlds (p. 741)
Nonfiction gives information
and facts about real
people, places, events,
and situations.
Sequence
Look for clues that indicate the order of
events.
Read to Find Out
What events influenced Dennis's career in
science?
7. algae: simple living organisms made up of
one or more cells which contain chlorophyll,
usually existing as lower order plants that do
not have stems, roots, or leaves.
lichens: an organism made up of fungi and
algae growing together, usually found on
tree trunks, on rocks, and on the ground.
bacteria: tiny onecelled organisms that
can only be seen through a microscope.
8. Reading
Aim: Mountain of
Fire: A Native
American Myth
(p. 754)
A Myth is a story
that tells about
the belief of a
group of people.
Myths often tell about gods and heroes.
Sometimes they explain something that
happens in nature.
9. Reading
Symbolism is the use of
concrete objects to
represent abstract
ideas or qualities.
Figurative Language, such as simile and
metaphor, uses imaginative language to
describe objects, places, or people.