Warm-Up Which of the following is not necessarily a distinct property of living things? a. homeostasis b. movement c. metabolism d. reproduction.

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Presentation transcript:

Warm-Up Which of the following is not necessarily a distinct property of living things? a. homeostasis b. movement c. metabolism d. reproduction

Microscope Notes (Review) Turn to page 11 in your IAN and take the following notes

Parts of the Microscope 1. Eyepiece (ocular lens) Function: Magnifies (makes larger) the sample 10x 2. Stage Function: Holds the slide in place 3. Diaphragm Function: Varies (changes) the amount of light coming from the lamp 4. Coarse Adjustment Function: The knob that focuses when using the low-power objective

Parts of the Microscope 5. Fine Adjustment Function: The knob that focuses when using the medium and high-power objectives 6. Low-power (scanning) objective lens Function: Magnifies the sample 4x 7. Medium-power objective lens Function: Magnifies the sample 10x 8. High-power objectives lens Function: Magnifies the sample 40x

Calculating TOTAL MAGNIFICATION Eyepiece magnification x objective magnification = total magnification Ex. 10x x 4x = 40x

Calculate the total magnification of the following: eyepiece lens (5x) x low power objective (4x) = ___ eyepiece lens (10x) x high power objective (40x) = ___ eyepiece lens (7x) x medium power objective (10x) = ___ eyepiece lens (10x) x objective (45x) = ___ eyepiece lens (10x) x objective (50x) = ___

Calculate the objective power being used for viewing eyepiece lens = 10x total magnification = 200x objective power = ____ eyepiece lens = 5x total magnification = 200x objective power = ____ eyepiece lens = 7x total magnification = 280x objective power = ____ eyepiece lens = 5x total magnification = 100x objective power = ____

Label the Parts of the Microscope Ocular Lens “eyepiece Complete the following handout Coarse Adjustment Fine Adjustment ARM Body Tube ARM Fine Adjustment Diaphragm Coarse Adjustment Diaphragm

Label the Parts of the Microscope Complete the following handout Coarse Adjustment Fine Adjustment Body Tube Revolving Nosepiece Revolving Nosepiece Stage Fine Adjustment Base Light Source Light Source Diaphragm Coarse Adjustment Diaphragm

Label the Parts of the Microscope Complete the following handout Coarse Adjustment Fine Adjustment Low Objective Revolving Nosepiece Revolving Nosepiece Stage Clips Fine Adjustment Base Light Source Light Source Diaphragm Coarse Adjustment Diaphragm

Label the Parts of the Microscope Complete the following handout Coarse Adjustment Fine Adjustment Revolving Nosepiece Revolving Nosepiece High Objective Fine Adjustment Base Light Source Light Source Coarse Adjustment

Labeled Microscope

Microscope Lab (Practice) Using page 13 in your IAN Select 4 slides and draw each image at Label Each Image Properly Low power Medium Power High Power Slide Name Low (4x) Medium (10x) High (40x) Granulum examplar

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How does Lab Safety improve the “scientific method?” CLOSING How does Lab Safety improve the “scientific method?” 3 complete sentences

Homework Have Your Syllabus Signed by a parent or guardian. Study for the Unit 1 Test Complete the Kleenex Box assignment