Science Test 9/22 Flashcards Preview

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Flashcards in Science Test 9/22 Deck (20):
1

how many grams is in one mole of iron?

55.85 grams

2

how many centimeters is equal to one mole?

1 cm^3

3

how is temperature measured?

the kelvin system

4

how is pressure measured?

atmosphere

5

how is substance measured?

moles

6

how is volume measured?

liters

7

how is distance measured?

meters

8

how is mass measured?

kilograms

9

what are all the standard S.I. units?

mass
distance
volume
amount of substance
pressure
temperature

10

what is the acronym for minemonic measurements?

King
Henry
Died
Brother
Didn't
Care
Much

11

what are all the minemonic measurements?

Kilo-10^3
Hecto-10^2
Deka-10^1
BASE-10^0
Deci-10^-1
Centi-10^-2
Milli-10^-3

12

what is a law?

a conclusive explanation of nature or events of nature

13

what is a theory?

"inconclusive" explanation of nature or phenomenon that have been extensively researched and peer reviewed

14

what is a hypothesis?

can be an if-then statement (testable) that must address the variables

15

what is a control group?

the standard for comparison in an experiment

16

what are dependent variables?

the thing that changes due to the change in the independent

17

what are independent variables?

the thing YOU change

18

what are variables?

things that change

19

what are constants?

things that don't change

20

what is acceleration?

the rate of change in speed