Observations and SI

Question 1

2 types of observations

Answer 1

Qualitive, Quantative

Question 2

Quantative

Answer 2

numerical

Question 3

Qualitive

Answer 3

Categorical

Question 4

Independent variable

Answer 4

the variable you change

Question 5

Significant Figure Rules

Answer 5

• All nonzero digits are significant,
• All 0’s that are found between nonzero digits are significant
• Trailing zeroes for a whole number that ends with a decimal point are significant

Question 6

Base unit of measuremnet for length

Answer 6

meters

Question 7

Leading zeroes (to the left of the first nonzero digit) are significant or not?

Answer 7

Not significant

Question 8

Whatever digits the ___ number has is how many the answer will have

Answer 8

least

Question 9

Mass

Answer 9

measure of the amount of matter an object contains

Question 10

Base unit of meausrement for Mass

Answer 10

Kilogram

Question 11

Weight

Answer 11

A measire of the force of gravity on you

Question 12

SI unit of weight

Answer 12

Newton (N)

Question 13

You weight ___ on other planets becuase your force on gravity is less

Answer 13

less

Question 14

Volume

Answer 14

the amount of space an object takes up

Question 15

To measure the volume of a liquid in a graduated cylinder you…

Answer 15

read the level @ the bottom of the mensus/curve

Question 16

SI unit of time

Answer 16

second

Question 17

Density

Answer 17

Mass per unit volume

Question 18

If you know somethings density you know…

Answer 18

if it can sink or float in a given lliquid, considering if its more or less dense then the liquid

Question 19

Accuracy

Answer 19

refers to how close a measurement is to the true or actual values

Question 20

Precison

Answer 20

how close a group of measurements are to each other