1. WHAT IS SCIENCE?
Chapter 1
Key concept:
What is the goal of science?

2. SCIENCE: Is an ________________ Uses_______ to ______ events
______and organizes ______
Deals only with __________
Looks for _______ and
__________
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3. _______________ that can be _______ by ___________________
Scientists:
_______________ that can be
_______ by ___________________

4. Science is ______________but a ___________________
Because of new tools, techniques,
& discoveries, our understanding of
science is __________________.

5. Our understanding of science is _________ in _______ intelligent
AIDS
Renewable fuels
Global warming
Stem Cell Research
Alternative energy
Endangered species
Bird flu
Cancer
Pollution
Cloning
Nuclear power
Our understanding of science is
_________ in _______ intelligent
________ about a wide variety
of _______ that affect our lives.

6. BIOLOGY =__________________ = ________________ Bacteria
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7. Click the image to play the video segment.
It’s Alive!
Part 1 1A Part B
Click the image to play the video segment.

8. Characteristics of ALL LIVING THINGS
Made of _________
_____________
Based on a _____________________
_______ and ____________
______ & ___ ________ & _______
________ to their ____________
______________________________
As a group, __________________

9. ALL LIVING THINGS ARE: Made of cells
The _____ is the
______________.

10. ALL LIVING THINGS ARE: Made of cells
____________organisms are _____________
(Ex: _________)
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11. ALL LIVING THINGS ARE: Made of cells
_________________ organisms _______ as _________ but as adults are
_________________________
Ex: (___________
__________ )
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12. ALL LIVING THINGS Reproduce
________________________
_____________the
___________________
from _____________
________________
Seen in animals and plants
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13. ALL LIVING THINGS Reproduce
_________________________
makes a new organism
using the
________________
from
_________________
Seen in bacteria, plants, and some animals
Planaria animation:

14. All living things share a universal genetic code
Hereditary material = DNA
______________________
_________________ with instructions for one _______
is called a ________.
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15. ALL LIVING THINGS Grow & develop
Image by Riedell
_____________ organisms, like a bacterium, grow by ________________.

16. ALL LIVING THINGS Grow & develop
Image by Riedell
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Multicellular organisms grow bigger by __________________
AND _____________________.

17. MULTICELLULAR ORGANISM don’t just contain MANY CELLS… but many _______________ of cells with _____________________
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18. Embryonic cell that has the potential to differentiate into a wide variety of cell types = __________

19. The _____________________ from an EMBRYONIC STEM CELL into different looking ADULT cells doing different jobs =______________________
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20. _________________________
what makes cells ___________ is
_______________ are _______________________
See end of show for image sources

21. It’s like having a whole library full of books, but reading only the books that are important to you.

22. 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”

23. ALL LIVING THINGS Take in Materials & Use Energy
___________ use energy from sunlight or chemicals to ________________
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Ex: _____________ use ____________to turn
_________ into _________

24. ALL LIVING THINGS Take in Materials & Use Energy
______________
get their energy by
___________________
Ex: ________ (including you) and _________________
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25. Vocab word
the combination of all the ________________ through which an organism ________ or ___________ materials as it carries out its life processes
= ___________________

26. ALL LIVING THINGS Respond to their environment
A signal to which an organism responds
= ___________________
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27. ALL LIVING THINGS Respond to their environment
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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.

28. ALL LIVING THINGS Respond to their environment
A stimulus can be
____________
Ex: When the glucose level in your bloodstream becomes low, your body responds by making you feel hungry.

29. 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.

30. 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.

31. HOMEOSTASIS Drinking a BIG GULP increases the amount
of water in your body
Your next stop gets rid of the excess water.
(OSMOREGULATION)

32. ALL LIVING THINGS as a group, change over time
= ______________
Allows _______ of ________ in a ___________