1.3 Microscopes

Presentation

•

Science

•

8th Grade

•

Medium

•

NGSS

MS-PS2-3

Standards-aligned

Brooke Manley

Used 268+ times

FREE Resource

5 Slides • 14 Questions

1.3 Microscopes

by Brooke Manley

Microscope Parts

Ocular Lens
Stage
Objective Lenses
Diaphragm
Coarse Adjustment Knob
Fine Adjustment Knob
Light

Multiple Choice

Piece 7

Ocular Lens

Objective Lens

Base

Arm

Multiple Choice

Number 3

Ocular Lens

Objective Lens

Diaphragm

Base

Multiple Choice

Number 8

Base

Stage

Tube

Arm

Multiple Choice

Number 10

Stage

Stage Clips

Diaphragm

Base

Multiple Choice

Number 12

Course Adjustment

Fine Adjustment

Small Adjuster

Large Adjuster

Multiple Choice

Number 5

Knob

Ocular Lens

Diaphragm

Objective Lens

How to Focus A Microscope

Start with lowest power objective lens (eg. 4x)
Look through the eyepiece and move the coarse adjustment knob until the image comes into focus.
Move the microscope slide around until the sample is in the center of the field of view (what you see).
Use the fine adjustment knob to focus with the clearest image

Multiple Choice

You must carry a microscope with...

your nose in the air like you just don't care

your hand and your chin

two hands, one under the base and one on the top

Multiple Choice

To focus a specimen, it is best to start with which objective:

high power

low power

scanning

ocular

Multiple Choice

A microscope has a 4x ocular lens and a 10x objective, what is this microscope's total magnification?

14x

40x

400x

Multiple Choice

When moving to the next higher power objective,

Focus using only the_________ adjustment knob; the object quickly comes into focus with very light adjustment

coarse

fishy

fine

crunchy

Multiple Choice

If you move the slide left while viewing, in which direction will it appear to move?

right

left

down

Multiple Choice

A microscope is an instrument that.

makes faraway objects look closer.

makes small objects appear larger.

decreases the size of small objects.

increases the size of small objects.

Multiple Choice

The greater the ___________________, the smaller the field you are actually viewing.

detail

objective

magnification

body

Multiple Choice

Electron microscopes use a beam of _________________ to produce an image magnified up to 100,000 or more

Sunlight

Lasers

Electrons

1.3 Microscopes

by Brooke Manley

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