1.2

Question 1

What is a qualitative observation?

Answer 1

Describes what the thing is. (ex. He is tall)

Question 2

What do meters measure?

Answer 2

Length

Question 3

What do Liters measure?

Answer 3

volume

Question 4

What do grams measure?

Answer 4

Mass

Question 5

What does Celsius measure?

Answer 5

Temprature

Question 6

What is the metric system?

Answer 6

A decimal system of measurement

Question 7

Why is it easy to convert on unit to another in the metric system?

Answer 7

All you have to do is multiply or divide by a multiple of 10.

Question 8

What is the smallest unit in the metric system?

Answer 8

pico

Question 9

How many units does the nano have?

Answer 9

10^-9

Question 10

How many base units does the pico have?

Answer 10

10^-12

Question 11

How many units does the micro have?

Answer 11

10^6

Question 12

How many units does the mili have?

Answer 12

10^3

Question 13

If your mass on Earth was 70 kilos, then would it be on the moon?

Answer 13

The same

Question 14

Volume is the measurement of…

Answer 14

the space a given object occupies

Question 15

What does Standard Deviation do?

Answer 15

a measure that is used to quantify the amount of variation in data

Question 16

What is the formula for SD?

Answer 16

o=(x-x^2)/N

Question 17

When do you use a line graph?

Answer 17

if independent variable is quantified or related to time

Question 18

When do you use a bar graph?

Answer 18

If independent variable is grouped?

Question 19

What the difference between mass and volume?

Answer 19

Mass is the amount of matter an object contains, while volume is how much space it takes up.

Question 20

Direct

Answer 20

A direct relationship is when one variable increases, so does the other

Question 21

Indirect

Answer 21

An indirect relationship is when one variable increases, the other decreases

Question 22

Constant

Answer 22

the output values are the same for all input values so the slope is zero

Question 23

Non Linear

Answer 23

the graph is not a straight line

Question 24

Peak

Answer 24

a “bump” or high point in a graph.

Question 25

What is the difference between interpolation and Extrapolation?

Answer 25

To interpolate means to make guesses about the graph in between the data points that WE HAVE COLLECTED. To extrapolate, means to makes guesses about the graph BEFORE AND AFTER the data points we have collected.

Question 26

if we are converting to a smaller unit, what happens to the number?

Answer 26

It increases.

Question 27

if we are converting to a bigger unit, what happens to the number?

Answer 27

it decreases

Question 28

what is 0.78 mm in cm?

Answer 28

0.078 cm

Question 29

what is 123 nm in um?

Answer 29

123,000 um

Question 30

cm

Answer 30

10^2

Question 31

mm

Answer 31

10^3

Question 32

um

Answer 32

10^6

Question 33

nm

Answer 33

10^9

Question 34

pm

Answer 34

10^12

Question 35

if you are converting from NM to pm, which way does the decimal go?

Answer 35

right (100 NM to 100,000 pm)

Question 36

if you are converting from pm to NM, which way does the decimal go?

Answer 36

left (100,000 pm to 100 NM)