Chemistry

Question 1

Kilometer

Answer 1

Km

Question 2

Seconds

Answer 2

S

Question 3

Liter

Answer 3

L

Question 4

Milligram

Answer 4

Mg

Question 5

Ceniseacand

Answer 5

Cs

Question 6

Decigram

Answer 6

Dg

Question 7

Milliliter

Answer 7

ML

Question 8

Gram

Answer 8

G

Question 9

Millisecond

Answer 9

Ms

Question 10

Centiliter

Answer 10

CL

Question 11

What is quantitative data

Answer 11

Always contains a number

Question 12

Qualitative

Answer 12

Anything relates to the senses
No numbers

Question 13

Metric units

Answer 13

Always consist of a base unit and a prefix’s

Question 14

Base unit

Answer 14

Indicates the type of mesument

Question 15

Metric units

Answer 15

Prefix’s inducted the magnitude or size of the measurement

Question 16

Prifxs change

Answer 16

Each prefix’s changes the size of a measurement by a power of 10

Question 17

Units can be converted using the

Answer 17

Ladder method

Question 18

To convert to a smaller unit

Answer 18

Move the decimal point to the right or multiply

Question 19

To convert to a larger unit

Answer 19

Move the decmail point to the left or divide

Question 20

Sinficant figures

Answer 20

Are determined by the measuring device you are using

The number of all known digits in a reported measurement plus one estimated value.

The more sinficant figures in a measurement the more accurate the device.
There are many rules used in the seince lab. We will focus on a couple guidelines

Question 21

Sinfigant figures

Answer 21

Always estamte one decimal place further
In calculations the final answer can never have more sig figs then the starting number

Question 22

Accuracy

Answer 22

How close the data is to the desired goal or true value

Question 23

Precision

Answer 23

How consistent is the data
How close are the data points to another

Question 24

What is the percent error equation

Answer 24

Accepted - measured
Divided by accepted
After that times 100

Question 25

Range and range two

Answer 25

Range= highest - lowest /2
The closest to zero the more prisise the data

Question 26

The order of units biggest to smallest

Answer 26

Millimeter, decimeter, meter, kilometer

Question 27

Convert 100cm in to m

Answer 27

1m

Question 27

If there is a comma in a number when counting sig figs

Answer 27

only count the numbers