Lab Week 1

Question 1

What are the basic units of the metric system?

Answer 1

Meter (m)
Liter (l) or (L)
Gram (g)

Question 2

What is meters used for?

Answer 2

Units of length

Question 3

What is liter used for?

Answer 3

Units of volume

Question 4

What is grams used for?

Answer 4

Unit of weight (mass)

Question 5

What is the order of the metric units?

Answer 5

Kilo (k)
Hecto (h)
Deca (da)
Basic units (grams, liters, meter)
Deci (d)
Centi (c)
Milli (m)
Micro (script m)

Question 6

What is deci?

Answer 6

d

1/10 or 0.1

Question 7

What is centi?

Answer 7

c

1/100 or 0.01

Question 8

What is milli?

Answer 8

m

1/1000 or 0.001

Question 9

What is micro?

Answer 9

Script m

1/1,000,000 or 0.000001

Question 10

Is micron and micrometer the same?

Answer 10

Yes

1,000 of a millimeter

Question 11

When converting upwards on the list where does the decimal point go?

Answer 11

To the left

Larger decimals go to the left

Question 12

When converting downwards on the list where does the decimal point go?

Answer 12

To the right

Smaller decimals goes to the right

Question 13

What are the measurements for length?

Answer 13

Metric stick and metric rulers

Goes up by units of 10

Question 14

What are the instruments for volume?

Answer 14

Graduated cylinder and pipette

Question 15

What is a meniscus?

Answer 15

Curvature is the graduated cylinder

Question 16

What is the instrument used for weight?

Answer 16

Triple beam balance

Question 17

What are solutions?

Answer 17

Transparent

Created by dissolving one thing in another

Breaking it down by individual atoms and molecules

Question 18

What is a solvent?

Answer 18

The thing that does the dissolving

Question 19

What is a solute?

Answer 19

Thing you are dissolving

Question 20

What is an aqueous solution?

Answer 20

Water is the solvent (thing that is doing the dissolving)

Question 21

What is a salt solution?

Answer 21

Where the solute (thing that dissolves) is salt

Question 22

What is a suspension?

Answer 22

It is not transparent and particles end up settling to the bottom

It is cloudy

Not broken to individual atoms/ molecules

Question 23

What is a colloidal suspension or colloids?

Answer 23

Special kinds of suspensions that the particles do not settle to the bottom

Ex: milk

Question 24

What is a pH scale used to measure?

Answer 24

Acidity and bases

Question 25

What is neutral on the pH scale?

Answer 25

7

Question 26

What is acidic on the pH scale?

Answer 26

Below 7

Question 27

What is basic?

Answer 27

Above 7

Question 28

What activates acid?

Answer 28

Water

Question 29

Is the pH scale a factor of 1 when going up or down the scale?

Answer 29

No it is logarithmic (factor of 10)

Question 30

What does logarithmic mean?

Answer 30

A factor of 10

Question 31

What is a buffer?

Answer 31

Chemicals used to keep the pH where we want it to be

Question 32

What is a kilo?

Answer 32

K

1000

Question 33

What is hecto?

Answer 33

h

100

Question 34

What is a deca?

Answer 34

da

10

Question 35

What is the boiling point of water?

Answer 35

100 Celsius

212 Fahrenheit

Question 36

What is the freezing point of water?

Answer 36

0 Celsius

32 Fahrenheit

Question 37

What is the human body temperature?

Answer 37

37 Celsius

98.6 Fahrenheit