bell ringer group a grasshopperdeerrobinbeaver group b owlopossummothbat why were these animals...
TRANSCRIPT
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BELL RINGERBELL RINGERGroup AGroup A
GrasshopperGrasshopper
DeerDeer
RobinRobin
BeaverBeaver
Group BGroup B
OwlOwl
OpossumOpossum
MothMoth
BatBat
WHY WERE THESE ANIMALS PLACED INTO THESE GROUPS?
A.One group is active during the day; the other group is active at night.B.One group lives near prairies; the other group lives near forests.C.One group benefits people; the other group is a pest to people.D.One group eats only plants; the other group eats only meat.
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MicroscopeMicroscopeParts and FunctionsParts and Functions
77thth Grade Science Grade Science
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What are the parts??What are the parts??
1.1. eyepieceeyepiece 7. objective7. objective
2.2. fine adjustmentfine adjustment 8. stage clips8. stage clips
3.3. course adjustmentcourse adjustment 9. arm9. arm
4.4. stagestage 10. base10. base
5.5. mirrormirror 11. nosepiece11. nosepiece
6.6. body tubebody tube 12. diaphragm12. diaphragm
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EyepieceEyepiece
The eyepiece is the part of the microscope The eyepiece is the part of the microscope which you which you look throughlook through. .
It usually has its own magnification of 10x.It usually has its own magnification of 10x.
eyepiece
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Fine AdjustmentFine Adjustment
This part of the microscope is used when This part of the microscope is used when changing changing small amounts of focussmall amounts of focus..
Fine adjustment
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Course AdjustmentCourse Adjustment
Used when making Used when making large changes in focuslarge changes in focus on the microscopeon the microscope
Moves the body tube up and downMoves the body tube up and down
Course Adjustment
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AdjustmentAdjustment
Some microscopes only have ONE Some microscopes only have ONE adjustment knobadjustment knob
If so, it is a course adjustment!If so, it is a course adjustment!
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StageStage
Where slides are Where slides are placedplaced on the on the microscope microscope for viewingfor viewing..
Stage
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Light Source/MirrorLight Source/Mirror
The light source/mirror is The light source/mirror is used to reflect used to reflect lightlight from a light source up through the from a light source up through the diaphragmdiaphragm
Mirror
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Body TubeBody Tube
The body tube The body tube holds the eyepieceholds the eyepiece of a of a microscope and microscope and connects it to the connects it to the objectivesobjectives
Body Tube
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ObjectiveObjective
The The magnifying lensmagnifying lens, comes in different , comes in different powerspowers
Objective
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Stage ClipsStage Clips
The stage clips The stage clips hold the slidehold the slide in place in place
Stage Clips
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ArmArm
The arm is used for The arm is used for safe transportationsafe transportation of of the microscopethe microscope
Arm
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BaseBase
What the microscope uses to What the microscope uses to “sit” on“sit” on, also , also used for used for safe transportationsafe transportation
Base
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NosepieceNosepiece
The nosepiece The nosepiece holds two or more holds two or more objective lensesobjective lenses and can be and can be rotatedrotated to to easily change easily change powerspowers
Nosepiece
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DiaphragmDiaphragm
Used to Used to vary the amount of lightvary the amount of light which which passes through the passes through the slideslide
Usually better in lower amountsUsually better in lower amounts
Diaphragm
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Label the PartsLabel the Parts1. Eyepiece
2. Course Adjustment
3. Fine Adjustment
4. Arm
5. Stage Clips
6. Base
7. Body Tube
8. Nosepiece
9. Objective Lens
10. Stage
11. Diaphragm
12.Light Source/ Mirror