Download - Cells Day 1-King
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How Big is Big http://cellsalive.com/howbig.htm
http://www.sciencedaily.com/releases/2008/06/080603085914.htm
http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/
http://cellsalive.com/howbig.htmhttp://www.sciencedaily.com/releases/2008/06/080603085914.htmhttp://www.sciencedaily.com/releases/2008/06/080603085914.htmhttp://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://kids.nationalgeographic.com/kids/games/puzzlesquizzes/quizyournoodle-bacteria/http://www.sciencedaily.com/releases/2008/06/080603085914.htmhttp://www.sciencedaily.com/releases/2008/06/080603085914.htmhttp://cellsalive.com/howbig.htm -
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6R
Living Things (Organisms) 3/7/11 21
3 4
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Box 1
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Box 2
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Box 3
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Box 4
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Eye cells of a baby
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Moths eye cells
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6R
Living Things 4-Square 2/24/10
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All living things
are made ofcells!
What do theseliving thingshave incommon?
What dothese livingthings havein common?
What do theseliving thingshave incommon?
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Unit 2 of textbookCell Notes
3/12/123/13/12
The Cell Theory
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All living things, like humans, animals, plants and bacteria,are all made of one or more cells.
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Unit 2 of textbook
Cell Notes3/12/12
3/13/12
The Cell Theory
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All living things, like humans, animals, plants and bacteria,are all made of one or more cells.
The Cell is the basic Unit of all living things.
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All living things, like humans, animals, plants and bacteria,are all made of one or more cells.
The Cell is the basic Unit of all living things.
All cells come from existing cells
(All cells come from parent cells)
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A cell is the smallest unit in living things. Some livingthings like a tiny bacteria is made of just a single cell.
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Other organisms like humans or plants can be made oftrillions of cells.
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Because cells are so small, cells were not discovered until
microscopes were invented in the mid-1600s.
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A. EYEPIECE
Contains the OCULAR lens
Lens, or system of lenses closest to your eye.
Helps magnify specimen
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B. NOSEPIECE
Holds the HIGH- and LOW- power
objective LENSES; can be rotated to
change MAGNIFICATION.
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K. ARM
Used to SUPPORT the
microscope when carried
We always hold by base and arm
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J. COARSE ADJUSTMENT KNOB
Moves the stage up and down for FOCUSING
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C. OBJECTIVE LENSES
Magnification ranges from
10 X to 40 X
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D. STAGE CLIPS
HOLD the slide in place
HOLD theslide inplace
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E. STAGE
Supports the SLIDE being viewed
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FINE ADJUSTMENT KNOB
Moves the stage slightly to SHARPEN the image
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F. LIGHT SOURCE
Projects light UPWARDS through the diaphragm,
the SPECIMEN, and the LENSES
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G. BASE
Supports the MICROSCOPE
We always hold by base and arm.
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H. DIAPHRAGM
Regulates the amount of
LIGHT on the specimen
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Even before cells were discovered, people wanted tosee things far smaller than they could see with the
naked eye.
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In 1665, one scientist named Robert Hooke built amicroscope for himself to look at tiny objects.
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One day, Hooke decided to look at a thin slice of cork.Cork comes from the bark of cork trees.
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When he looked at the slice of cork under hismicroscope, the cork looked as if it were made of little
boxes. Hooke named these boxes cells, which meanslittle rooms.
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Hooke became the first person to describe that livingthings are composed of cells.
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Hooke also looked at feathers, fish scales and the eyes of
houseflies, but he spent most of his time looking atplants.
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Since plant cells have a cell wall surrounding theircells, it makes plant cells easier to see under a
microscope than cells from humans and animals.Because Hooke couldnt see the cells of animalsclearly, he thought that only plants were made of cellsand humans and animals were not made of cells.
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Just ten years after Hookes discovery, a Dutchmerchant named Anton van Leeuwenhoek, a major
microscope maker (constructed a total of 400microscopes during his lifetime!) used one of hismicroscopes to look at pond scum.
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With his microscope, he found small organisms living inthe pond water.
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He also looked at blood cells belonging to differentanimals and humans, and was the first person to ever
see bacteria under a microscope as well (using thebacteria found in his own mouth!).
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Glue Light Test to page 6LPass Down
Extra Credit Light Crossword Puzzle