Science Test 9/22

Question 1

how many grams is in one mole of iron?

Answer 1

55.85 grams

Question 2

how many centimeters is equal to one mole?

Answer 2

1 cm^3

Question 3

how is temperature measured?

Answer 3

the kelvin system

Question 4

how is pressure measured?

Answer 4

atmosphere

Question 5

how is substance measured?

Answer 5

moles

Question 6

how is volume measured?

Answer 6

liters

Question 7

how is distance measured?

Answer 7

meters

Question 8

how is mass measured?

Answer 8

kilograms

Question 9

what are all the standard S.I. units?

Answer 9

mass
distance
volume 
amount of substance 
pressure
temperature

Question 10

what is the acronym for minemonic measurements?

Answer 10

King
Henry
Died
Brother
Didn't
Care
Much

Question 11

what are all the minemonic measurements?

Answer 11

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

Question 12

what is a law?

Answer 12

a conclusive explanation of nature or events of nature

Question 13

what is a theory?

Answer 13

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

Question 14

what is a hypothesis?

Answer 14

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

Question 15

what is a control group?

Answer 15

the standard for comparison in an experiment

Question 16

what are dependent variables?

Answer 16

the thing that changes due to the change in the independent

Question 17

what are independent variables?

Answer 17

the thing YOU change

Question 18

what are variables?

Answer 18

things that change

Question 19

what are constants?

Answer 19

things that don’t change

Question 20

what is acceleration?

Answer 20

the rate of change in speed