LESSON 2

Question 1

body of knowledge

Answer 1

science

Question 2

tentative solution or generalization

Answer 2

hypothesis

Question 3

general truth but not universally accepted

Answer 3

theory

Question 4

theory that is universally accepted

Answer 4

scientific law

Question 5

combination of creative reasoning and testing hypothesis

Answer 5

scientific method

Question 6

way of looking at things by facts based on observations

Answer 6

scientific attitude

Question 7

product of science

Answer 7

Technology

Question 8

made up of community of people

Answer 8

society

Question 9

sharp cutting edges from stones

Answer 9

tools

Question 10

one of the softest metals

Answer 10

Lead

Question 11

longest used invention in human history

Answer 11

wheel

Question 12

most important invention

Answer 12

wheel and axle

Question 13

turns common metals to precious metals

Answer 13

Arab Alchemy

Question 14

substance used in guns

Answer 14

gunpowder

Question 15

identical copies of sheets/ papers

Answer 15

printing

Question 16

invented by Dutchman

Answer 16

telescope

Question 17

instrument for viewing objects that are too small

Answer 17

microscope

Question 18

to protect buildings from being hit and damaged by lightning

Answer 18

lightning conductor

Question 19

powers factory machinery

Answer 19

steam power

Question 20

camera obscura

Answer 20

photography

Question 21

Thomas Edison; Light Bulbs

Answer 21

Electric Light

Question 22

Alexander Graham Bell; machine used to talk to others from other places

Answer 22

Telephone

Question 23

a cleaning fluid

Answer 23

Petrol

Question 24

useful for examining skeletal system

Answer 24

X-rays

Question 25

one of the basic areas of technological activity

Answer 25

transportation

Question 26

backbone of every economy

Answer 26

education