lol

Question 1

model

Answer 1

a mental picture of an event or thing

like an atomic model

Question 2

qualitative observation

Answer 2

uses senses

non-measurable

Question 3

quantitative observation

Answer 3

using numerical tools/values

Question 4

experiment

Answer 4

testing hypothesis/gathering info

Question 5

hypothesis

Answer 5

educated guess

Question 6

theory

Answer 6

possible explanation/prediction on how a conclusion will be reached.
can be changed

Question 7

scientific law

Answer 7

describes an event in nature

accepted as true

Question 8

independent variable

Answer 8

value that changes or is manipulated

Question 9

dependant variable

Answer 9

the resulting effect of the independent

Question 10

control variable

Answer 10

all things that remain the same

Question 11

scientific method

Answer 11

what is the issue
research issue
hypothesis
experiment
observe
conclusion
(sources of error)

Question 12

conversion base units

Answer 12

grams (mass)
litres (volume)
metres (distance)

Question 13

T

Answer 13

Tera

10-12

Question 14

G

Answer 14

Giga

10-9

Question 15

M

Answer 15

Mega

10-6

Question 16

k

Answer 16

kilo

10-3

Question 17

h

Answer 17

hecto

10-2

Question 18

da

Answer 18

deca

10-1

Question 19

d

Answer 19

deci

10- -1

Question 20

c

Answer 20

centi

10- -2

Question 21

m

Answer 21

milli

10- -3

Question 22

u

Answer 22

micro

10- -6

Question 23

n

Answer 23

nano

10- -9

Question 24

p

Answer 24

pico

10- -12

Question 25

scientific notation

Answer 25

makes it easier to handle and compress numbers

Question 26

scientific notation info

Answer 26

coefficient (1-10)

base: 10
exponant: - less than 1 +greater than 10

Question 27

significant figures

Answer 27

all numbers 1-9 count as significant

• all zeroes bettered fig sigs count
• zeroes count ONLY if they are to the right of a decimal AND to the right of a sig fig