microscopes update

1

S7CS1: Explore the importance of

curiosity, honesty, openness, and

skepticism in science and will exhibit these traits to

understand HOW the world works.

2

Microscope**Use p. 11 IAN to decode word**

Vision tool with one or more lenses that allows an enlarged image of an object to be seen with our eyes.

3

• Simple

• Compound

• Stereoscopic

• Electron

Have you heard these

words before? Where?

They will help you with

your science words!

4

Simple Microscope

Similar to a magnifying glass and

has only one lens.

Simple

sentence:

One subject

and one verb.

5

Compound MicroscopeLets light pass through an object and

then through two or more lenses.

Compound sentence:

2 or more subjects and

verbs in one

sentence.

6

Stereoscopic Microscope

Gives a three dimensional view

of a LIVING object.

(Examples: insects and leaves)

Stereo: multi-directional

7

Electron MicroscopeUses a magnetic field to bend beams of electrons;

instead of using lenses to bend beams of light.

Magnets

attract

remember?

8

LensEnlarges an image and bends the

light toward your eye.

9

Eyepiece Lens

Usually has a power of 10x (doesn’t change)

10

Objective Lenses in Smitha’s microscope

Low Power = 4x

Medium Power = 10x

High Power = 40x

11

Microscope MATH

Eyepiece Lens X Objective Lens = Magnification

10x (eye piece) & 5x (lens) = _______

10x (eye piece) & 10x (lens) = ______

10x (eye piece) & 40x (lens) = _______

Why didn’t the eye piece number change?

Science Math TimeAre you ready to…MULTIPLE?

Eye Piece Lens Total Magnification

10x 5x

10x 50x

10x 75x

10x 100x

10x 150x

12

Throw your hands in the air,

add the zero like you just don’t

care…

now you can multiple by ten!

Microscopes in Action

Have you noticed that in restaurants, there are signs encouraging employees to wash their

hands.

WHY?

If you had a microscope with you…what could you see?

Would you still eat there? Write a paragraph explaining your answer.

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CONCLUSION-

meaningful

attachment to you!