Unit 1.2

Question 1

What are the five main different types of measurements?

Answer 1

Length, Mass, Volume, Time, and Temperature

Question 2

What do you measure length in?

Answer 2

Meters

Question 3

What do you measure mass in?

Answer 3

Kilograms

Question 4

What do you measure volume in?

Answer 4

Liters

Question 5

What do you measure time in?

Answer 5

Seconds

Question 6

What do you measure temperature in?

Answer 6

Celcius or Kelvin

Question 7

What’s the symbol for meters?

Answer 7

m

Question 8

What’s the symbol for kilograms?

Answer 8

kg

Question 9

What’s the symbol for liters?

Answer 9

L

Question 10

What’s the symbol for seconds?

Answer 10

s

Question 11

What’s the symbol for Kelvin?

Answer 11

K

Question 12

What’s 1,000 base units?

Answer 12

Kilo

Question 13

What’s 1/1,000 of a base unit?

Answer 13

Milli

Question 14

What’s 1/1,000,000,000 of a base unit?

Answer 14

Nano

Question 15

What 3 main topics can be used to define data?

Answer 15

Mean/Average, Median, and Mode

Question 16

How many milligrams are in one gram?

Answer 16

100 grams

Question 17

What is length?

Answer 17

Length is the measurement of a line and the standard unit is the meter.

Question 18

What is mass?

Answer 18

Mass is the amount of matter in a given object.

Question 19

What is volume?

Answer 19

Volume is the space a given object occupies.

Question 20

What formula do you use to find volume?

Answer 20

Height x Width x Depth

Question 21

How many milliliters are there in 1.7 liters?

Answer 21

1,700 mL

Question 22

What is the boundary between the fluid and air called in a graduated cylinder?

Answer 22

Meniscus

Question 23

Should you read the measurement to the highest or lowest part of the meniscus?

Answer 23

Always read to the lowest

Question 24

What is temperature?

Answer 24

Temperature is the degree of hot or cold an object is. It is also the average kinetic energy of molecules.

Question 25

What instruments are used to measure temperature?

Answer 25

Thermometers

Question 26

What is the formula for Fahrenheit?

Answer 26

(C) (9/5) + 32

Question 27

What is the formula for Celsius?

Answer 27

(F - 32) (5/9)

Question 28

What is the formula for Kelvin?

Answer 28

C + 273

Question 29

Above zero degrees, the actual number of degrees Celsius is higher or lower than Fahrenheit degrees?

Answer 29

It's lower

Question 30

What is Standard Deviation?

Answer 30

Standard Deviation is a measure that is used to quantify the amount of variation in a set of data.

Question 31

If the standard deviation is close to 0 what does that mean?

Answer 31

It means that the data tends to be very close to the mean.

Question 32

What is variance?

Answer 32

Variance is how far away the data point is from the mean?

Question 33

How do you calculate variance?

Answer 33

You take the difference between the data point and the mean, square it, and then average the result.

Question 34

What term describes allowing the viewer to make predictions within recorded data?

Answer 34

Interpolotion

Question 35

What is it called when you allow the viewer to make predictions about data not yet recorded?

Answer 35

Extrapolotion

Question 36

What are the five main types of graphs?

Answer 36

Direct, Indirect, Constant, Best Fit Curved, and Best Fit Peak.

Question 37

What axis does the independent variable go on?

Answer 37

X-axis

Question 38

What axis does the dependent variable go on?

Answer 38

Y-axis

Question 39

True or false? Length is measured in liters

Answer 39

False

Question 40

True or false? Nano units are bigger than mili units

Answer 40

False

Question 41

If I were to measure how long a road was would I use meters or kilometers?

Answer 41

Kilometers

Question 42

If you were finding standard deviation what would you do first?

Answer 42

Find the mean of the data points

Question 43

How do you find mode?

Answer 43

The number that appears the most

Question 44

How do you find median?

Answer 44

Line the numbers up from least to greatest and find the middle value

Question 45

How do you find the range?

Answer 45

You take the largest value minus the smallest value

Question 46

How do you find the average?

Answer 46

You add all the values together then divide the total by the amount of values you have.

Question 47

How many digits do you need when using a 10cm ruler?

Answer 47

Just the one's place

Question 48

How many digits do you need when your using a 1cm ruler?

Answer 48

One decimal place

Question 49

How many digits do you need when using a 0.1cm ruler?

Answer 49

Two decimal places