science 8 blackline master - open school bc · 5. the lens you look through in a telescope,...

$: Science 8 Blackline Master - Open School BC · 5. The lens you look through in a telescope, binocular, or microscope 10. Refracting telescopes use this kind of mirror 11. The inventor$
Science 8

Blackline Master

This blackline master package, which includes student worksheets and materials for teachers to make their own overhead transparencies or photocopies, is designed to accompany Open School BC’s Science 8 course. The course and blackline master were developed by BC teachers, instructional designers, graphic artists, and multimedia experts.

Please note that the rights to reproduce materials from the Science 8 Blackline Master is restricted to the individual purchaser. Teachers may reproduce solely for use with their own classes.

The Science 8 course consists of 4 modules, Science 8 SOS Package, blackline master, and the Science 8 Media CD. Science 8 is available in both print and online versions. Science 8 can be purchased as individual components or as a complete resource, Science 8 Resource Package. The following supporting resources are required for print and online versions of the course. All are available from Open School BC.

Textbooks BC Science 8 or BC Science Probe 8

To order, contact:

Open School BC Customer Service Team or Visit our website at Phone: 250-356-2820 (Victoria) www.openschool.bc.ca 1 888 883 4766 (Toll-free) [email protected]

Copyright 2007 Open School BC, Victoria, British Columbia. ALL RIGHTS RESERVED. This publication is protected by copyright, and permission should be obtained from the publisher prior to any prohibited publication, storage in a retrieval system, or transmissions in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission, contact Open School BC.

MODULE 2

Project Manager: Virginia Rego Instructional Designer: Solvig Norman Instructional Design Planning Team: Kim Arthurs (St. Andrew’s Indep), Doug Ballam (St. Andrew’s Indep), Dorothea Housworth (SD 8), Jeff May (SD 36) Writers: Kim Arthurs (St. Andrew’s Indep), Doug Ballam (St. Andrew’s Indep), Scott Bentley (SD 44), Matthew Bourget (SD 71), Joan Wheeler (SD 58) Reviewers: Jeff May (SD 36), Joan Wheeler (SD 58) Editor: Lee McKenzie McAnally Copyright: Ilona Ugro Production Technician: Beverly Carstensen Media Coordinator: Janet Bartz Graphics: Cal Jones, Brian Glover, Pat McCallum Multimedia: Sean Cunniam, Robert Aitken, Chris Manuel, Cumberland Audio Service

B L A C K L I N E M A S T E R ■ S C I E N C E 8

The right to reproduce this page is restricted to the purchaser. SC 8 © 2007 Open School BC

The Electromagnetic Spectrum

Gamma RayX-rayUltravioletVisibleInfraredMicrowaveRadio

Long wavelengthLow frequencyLow energy

Short wavelengthHigh frequency

High energy

Red light Violet light



Concave Mirrors

focal point



Convex Mirrors

focal point



Refraction and LensesConvex Lenses

focal length

focal point

lens


two focal lengthsfocal

length

focal point

object

image


one focal length

focal length

focal point

object

image



Concave Lenses

concave lens



Protractor

0 º10 º

10 º20 º

20 º

30 º30 º

40 º40 º

50 º50 º

60 º60 º

70 º70 º

80 º80 º

PLA

CE M

IRR

OR

ALO

NG

THIS LIN

E



1. The major parts of the eye are numbered on the following drawing.Label the parts of the eye on the diagram.

Guided Practice 2.3AParts of the Eye

1

2

3

4

5

9

6

7

8


2. Write the letter of the term in Column A beside the correctdefinition in Column B.

Column AParts of the Eye

Column B—Function

1. lens A. bulged out transparent part at the front of the eye; begins

focussing of light rays

2. retina B. gateway to the inside of the eye

3. muscle C. coloured part of the eye; controls size of pupil so it also

controls the amount of light that enters the eye

4. optic

nerve

D. flexible and convex; bends light to focus an image or object

onto the retina

5. pupil E. contains cone and rod cells that detect light and colour

6. cornea F. controls shape of the lens

7. iris G. transmits information from the retina to the brain

8. sclera H. place where optic nerve and blood vessels attach to the

brain; there are no rods or cones located here

9. blind

spot

I. protects the eye and provides a place for muscles to attach so

the eye can move and look around



Presbyopia



Tunnel Vision

Peripheral Vision



Write the letter of the term in Column A beside the correct definition in Column B. Terms may be used more than once.

Guided Practice 2.3CVision Problems

Column A Column B

A. convex lens 1. lens becomes less flexible as you get older

B. cataract 2. eyeball is too long; the image is formed in front

of the retina

C. colour blind 3. using high intensity light to alter the shape of

the cornea

D. cylindrical lens 4. a lens that allows hyperopic people to see

E. astigmatism 5. lens used to treat myopia

F. hyperopia 6. irregularly shaped cornea

G. myopia 7. can’t tell whether or not the stop light is red

H. concave lens 8. your eyes hurt after being on the water on a

sunny day

I. snow blind 9. lens to treat astigmatism

J. presbyopia 10. lens becomes cloudy; can lead to blindness

K. laser surgery 11. eyeball is too short; image forms behind retina

12. can be caused by diabetes

13. image forms at more than one point on the

retina



Refracting Telescope

eyepiece lensobjective lens

focal point

real image ofdistant object

light from distant object



Reflecting Telescope

eyepiece lens

concavemirror

planemirror

real image ofdistant object

light from distant object



Section Assignment 2.3 Part A: Optics Crossword

Try your hand at this crossword puzzle. Do the work in the space provided.

1

4

5

7 8

9

10

11

12

6

2 3

Across1. Part of the camera that controls the amount of light let in5. The lens you look through in a telescope, binocular, or microscope10. Refracting telescopes use this kind of mirror11. The inventor of the optical light telescope12. The spectrum that includes light and radio waves

Down2. The back part of the eye3. Enables us to see very small things4. Invented the reflecting telescope6. Waves given off by pulsars7. The lens that gathers light in optical devices8. A beam of electrons9. Russia is given credit for building the largest of these telescopes in 1974

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science 8 blackline master - open school bc · 5. the lens you look through in a telescope,...

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