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

_______________ that can be _______ by ___________________ 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

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.

Science is . . . Asking Questions Analyzing Hypothesizing Modeling Predicting Using math Graphing Explaining Experimenting Describing Looking for Patterns Using evidence

decisions issues Even the average citizen needs an understanding of science to make intelligent _________ about a wide variety of _______ that affect our lives in the world we live in decisions issues Keystone pipeline Gene therapy GMO crops AIDS Cancer Cloning Bird flu Stem Cell Research Alternative energy Endangered species Climate change Fracking Nuclear power

BIOLOGY =__________________ = ________________ Bacteria Image from: http://analyzer.depaul.edu/astrobiology/kingdoms.jpg

Click the image to play the video segment. It’s Alive! Part 1 1A Part 2 1B Click the image to play the video segment.

Characteristics of ALL LIVING THINGS Made of _________ _____________ Based on a _____________________ _______ and ____________ ______ & ___ ________ & _______ ________ to their ____________ ______________________________ 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

Embryonic cell that has the potential to differentiate into a wide variety of cell types = __________ http://learn.genetics.utah.edu/content/tech/stemcells/scissues/

The _____________________ from an EMBRYONIC STEM CELL 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 cells ___________ 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 ___________ http://cache.eb.com/eb/image?id=63386&rendTypeId=4