WHAT IS SCIENCE?
Chapter 1
Key concept:
What is the goal of science?
SCIENCE:
• Is an ________________
• Uses_______ to ______ events
• ______and organizes ______
• Deals only with __________
• Looks for _______ and
__________
Image from: http://www.erschools.org/Teachers/henderson/webquest/images/scientist.jpg
Scientists:
_______________ that can be
_______ by
___________________
http://www.darvill.clara.net/enforcemot/graphics/newton.gif
Science is ______________but
a ___________________
Because of new tools, techniques,
& discoveries, our understanding of
science is __________________.
http://www.npr.org/programs/fa/features/2005/04/flat_200.jpg
http://atmos.pknu.ac.kr/~swimm/wall/1024/EARTH.JPG
AIDS
Global warming
Alternative energy
Cancer
Cloning
Renewable fuels
Stem Cell Research
Endangered species
Nuclear power
Bird flu
Pollution
Our understanding of science is
_________ in _______ intelligent
________ about a wide variety
of _______ that affect our lives.
BIOLOGY
=__________________
= ________________
Image from: http://analyzer.depaul.edu/astrobiology/kingdoms.jpg
Bacteria
It’s Alive!
Part 1 1A
Click the image to play the video segment.
Part 2
1B
Characteristics of
ALL LIVING THINGS
1.Made of _________
2. _____________
3. Based on a _____________________
4. _______ and ____________
5.______ & ___ ________ & _______
6. ________ to their ____________
7. ______________________________
8. As a group, __________________
ALL LIVING THINGS ARE:
Made of cells
The _____ is the
______________.
http://sps.k12.ar.us/massengale/study_guides_bi.htm
ALL LIVING THINGS ARE:
Made of cells
____________organisms are
_____________
(Ex: _________)
Image from: http://www.agen.ufl.edu/~chyn/age2062/lect/lect_06/bacsiz.GIF
ALL LIVING THINGS ARE:
Made of cells
_________________ organisms
_______ as _________ but as
adults are
_________________________
Ex: (___________
__________ )
Images from:
http://www.angelbabygifts.com/
http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
ALL LIVING THINGS
Reproduce
________________________
_____________the
___________________
from _____________
________________
Seen in animals and plants
Family image from: http://babyhearing.org/Parenet2Parent/index.asp
ALL LIVING THINGS
Reproduce
_________________________
makes a new organism
using the
________________
from
_________________
Seen in bacteria, plants, and some animals
Planaria animation: http://www.t3.rim.or.jp/~hylas/planaria/title.htm
All living things share a
universal genetic code
Hereditary material = DNA
______________________
_________________ with
instructions for one _______
is called a ________.
Image from: http://sbchem.sunysb.edu/msl/dna.gif
ALL LIVING THINGS
Grow & develop
Image by Riedell
_____________ organisms,
like a bacterium, grow by
________________.
ALL LIVING THINGS
Grow & develop
Image by Riedell
Image from: http://www.bcps.org/offices/lis/models/life/images/grow.JPG
Multicellular organisms grow bigger
by __________________
AND _____________________.
MULTICELLULAR ORGANISM don’t
just contain MANY CELLS… but
many _______________ of cells
with _____________________
Image from: http://www.isscr.org/images/ES-cell-Fig-2.jpg
The _________________
EMBRYONIC STEM CELLS
into different looking ADULT
cells doing different jobs =
__________________________
Image from: http://www.ncu.edu.tw/~ls/graph/faculty_pictures/whole_time/SLC/SLC_lab-1.jpg
_________________________
what makes them ___________ is
_______________ are
_______________________
See end of show for image sources
It’s like having a whole library full
of books, but reading only the
books that are important to you.
http://school.discovery.com/clipart/clip/report2.html
http://www.adc.state.az.us/programs/offlibsvs.html
ALL LIVING THINGS
Take in Materials & Use Energy
To________________,organisms
_______ a constant supply of
____________________ &
____________
This sheep uses the
MOLECULES and ENERGY
in the food it eats to
make “more sheep”
http://ag.ansc.purdue.edu/sheep/ansc442/Semprojs/2003/spiderlamb/eatsheep.gif
ALL LIVING THINGS
Take in Materials & Use Energy
___________ use
energy from sunlight
or chemicals to
________________
Image from: http://vilenski.org/science/safari/cellstructure/chloroplasts.html
Ex: _____________ use
____________to turn
_________ into _________
http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
ALL LIVING THINGS
Take in Materials & Use Energy
______________
get their energy by
___________________
Ex: ________ (including you)
and _________________
Image from: http://www.epa.gov/region5/superfund/ecology/images/fishcartoon.gif
Vocab word
the combination of all the
________________ through
which an organism ________ or
___________ materials as it
carries out its life processes
= ___________________
ALL LIVING THINGS
Respond to their environment
A signal to which an organism responds
= ___________________
Image from: http://www.travel-net.com/~andrews/images/animations/traffic.gif
ALL LIVING THINGS
Respond to their environment
Image from: http://www.ccs.k12.in.us/chsBS/kons/kons/images/stimresp.jpg
A stimulus can be
_________________
Ex: When there is enough water
and ground is warm enough,
seed germinates. Roots respond to
gravity & grow downward.
Leaves respond to sunlight & grow up.
http://www.nofretete-page.de/gemischtNeu/TN_plant_grow_w.JPG
ALL LIVING THINGS
Respond to their environment
http://www.estrellamountain.edu/faculty/farabee/biobk/BioBookCHEM2.html
A stimulus can be
____________
Ex: When the glucose level
in your bloodstream
becomes low, your body
responds by making you feel
hungry.
http://www.israellycool.com/eat%20guy%20AFP.jpg
VOCAB WORD
A cell works to keep conditions
inside the cell constant =
______________________
IF temperature, water content,
nutrients, acidity change too much
. . . the cell will die.
HOMEOSTASIS involves
internal __________ mechanisms
If body temp drops too low,
“shivering” produces
heat to warm you up.
If temp is too hot,
“sweating” cools you down.
http://www.dreamstime.com/thumb_4/1099235658Q3A4x8.jpg
http://www.clipartheaven.com/clipart/seasons_&_weather/overheating_2.gif
HOMEOSTASIS
Drinking a BIG GULP
increases the amount
of water in your body
http://www.me-go.net/rtw/images/biggulp.jpg
Your next stop gets
rid of the excess water.
(OSMOREGULATION)
http://pluck.typepad.com/photos/uncategorized/restroom_blog.gif
ALL LIVING THINGS
as a group, change over time
= ______________
Allows _______ of
________ in a
___________
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