Book Title:

Year 8

Table of Contents


. _ . _ Bombers. (1)
What is Year 8. (2)
. _ Resources. (3)
. _ . _ Digest. (4)
. _ . _ . _ Physical World. (5)
. _ . _ . _ . _ includes. (6)
. _ . _ . _ . _ . _ Energy. (7)
. _ . _ . _ . _ . _ . _ includes. (8)
. _ . _ . _ . _ . _ . _ . _ kinetic potential. (9)
. _ . _ . _ . _ . _ . _ . _ conduction, convection and radiation. (10)
. _ . _ . _ . _ . _ . _ . _ circuits plus. (11)
. _ . _ . _ . _ . _ . _ . _ make circuits. (12)
. _ . _ . _ . _ . _ . _ . _ transformation. (13)
. _ . _ . _ . _ . _ Technology. (14)
. _ . _ . _ . _ . _ . _ includes. (15)
. _ . _ . _ . _ . _ . _ . _ waste heat. (16)
. _ . _ . _ . _ . _ . _ . _ . _ youtube. (17)
. _ . _ . _ . _ . _ . _ . _ . _ . _ The human power station. (18)
. _ . _ . _ . _ . _ . _ . _ . _ . _ Rube Goldberg Machines. (19)
. _ . _ . _ . _ . _ . _ . _ technology helps. (20)
. _ . _ . _ . _ . _ . _ . _ social implications. (21)
. _ . _ . _ . _ requires. (22)
. _ . _ . _ . _ . _ forces and friction. (23)
. _ . _ . _ . _ . _ . _ youtube. (24)
. _ . _ . _ . _ . _ . _ . _ Stopping Distance. (25)
. _ . _ . _ . _ . _ . _ . _ Redbull Rub Goldberg Machine. (26)
. _ . _ . _ . _ . _ . _ . _ Secret life of Newton. (27)
. _ . _ . _ . _ . _ . _ Online Activites. (28)
. _ . _ . _ . _ . _ . _ . _ Simple Machines. (29)
. _ . _ . _ . _ . _ . _ . _ Fric. (30)
. _ . _ . _ . _ . _ . _ Videos. (31)
. _ . _ . _ . _ . _ . _ . _ Real Archemdies. (32)
. _ . _ . _ . _ . _ . _ . _ Bill Nile. (33)
. _ . _ . _ . _ . _ . _ . _ Samauri Pizza Cat. (34)
. _ . _ . _ . _ . _ Field. (35)
. _ . _ . _ . _ . _ . _ youtube. (36)
. _ . _ . _ . _ . _ . _ . _ Floating Magnet. (37)
. _ . _ . _ . _ . _ . _ . _ I love my Magnet. (38)
. _ . _ . _ . _ . _ . _ . _ Amazing levitating train. (39)
. _ . _ . _ . _ . _ Energy. (40)
. _ . _ . _ . _ . _ . _ youtube. (41)
. _ . _ . _ . _ . _ Energy Efficiency. (42)
. _ . _ . _ . _ . _ . _ youtube. (43)
. _ . _ . _ . _ . _ . _ . _ Human Power Station. (44)
. _ . _ Tips on Topic. (45)
. _ Administration. (46)
. _ . _ Homework. (47)
. _ . _ . _ Submission. (48)

Page 1

Question Bom


Page 2

Question WY8

1

Page 3

Reponse Re


Page 4

Question Di


Page 5

Reponse PW

describes the action of unbalanced forces in everyday situations discusses how scientific understanding and technological developments have contributed to finding solutions to problems involving energy transfers and transformations

Page 6

Question


Page 7

Reponse PW3


Page 8

Question


Page 9

Reponse a

identify objects that possess energy because of their motion (kinetic) or because of other properties (potential)

Page 10

Reponse b

describe the transfer of heat energy by conduction, convection and radiation, including situations in which each occurs

Page 11

Reponse c

relate electricity with energy transfer in a simple circuit

Page 12

Reponse d

construct and draw circuits containing a number of components to show a transfer of electricity

Page 13

Reponse e

investigate some everyday energy transformations that cause change within systems, including motion, electricity, heat, sound and light

Page 14

Reponse PW4

Science and technology contribute to finding solutions to a range of contemporary issues; these solutions may impact on other areas of society and involve ethical considerations.

Page 15

Question


Page 16

Reponse a

identify that most energy conversions are inefficient and lead to the production of heat energy, eg in light bulbs

Page 17

Question


Page 18

Reponse HPS

What are some of the energy transfers? -chemical, muscle, kinetic, electrical, heat >What is the unit of power? -watt, (W) = 1 joule per second >What is the S.I. unit of work/energy? - J, joule = 1 newton of force, applied (and usually stored) over 1 m >What is the weight force of an apple on the surface of the earth? - about one newton > Does the weight force change in orbit? -No, but the "Normal" "reaction" force does

Page 19

Reponse RGM


Page 20

Reponse b

research ways in which scientific knowledge and technological developments have led to finding a solution to a contemporary issue, eg improvements in devices to increase the efficiency of energy transfers or conversions

Page 21

Reponse c

discuss the implications for society and the environment of some solutions to increase the efficiency of energy conversions by reducing the production of heat energy

Page 22

Question


Page 23

Reponse PW1

Change to an object's motion is caused by unbalanced forces acting on the object

Page 24

Question


Page 25

Reponse SD


Page 26

Reponse RB


Page 27

Reponse Ne


Page 28

Question OA


Page 29

Reponse SM


Page 30

Reponse Fri


Page 31

Question Vid


Page 32

Reponse AR


Page 33

Reponse BN


Page 34

Reponse SPC


Page 35

Reponse PW2

Change to an object's motion is caused by unbalanced forces acting on the object

Page 36

Question


Page 37

Reponse FF


Page 38

Reponse IHM


Page 39

Reponse ALT


Page 40

Reponse PW3


Page 41

Question


Page 42

Reponse PW4


Page 43

Question


Page 44

Reponse HPS


Page 45

Question Tip


Page 46

Reponse Ad


Page 47

Question Hw


Page 48

Reponse Sub