Basic concepts Flashcards

1
Q

mass

A

the amount of matter in an object, amount of molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

volume

A

the amount of space an object takes up in 3 dimensions, l x w x h,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

density

A

depends on its mass and volume, tighter molecules=more dense, mass/volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

graduated cylinder

A

to measure liquids accurately, mL, round to .5mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

beaker

A

to hold and mix chemicals, mL, not used for measuring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

flask

A

to mix and store chemicals, mL, not used for measuring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

test tube

A

for mixing very small amounts of chemicals, no units, not used for measuring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

triple beam balance

A

triple beam balance to hold objects up to 650 grams, 0.05

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

pipette

A

for adding liquids one drop at a time, drops/mL, whole drop- not accurate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

ruler

A

to find the lenght of objects in metric units, m, cm, or mm, round to 0.5mm 0.05cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

thermometer

A

to determine the temperature of things, degrees celcius, 0.5c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

overflow cup

A

to help determine of an iregularly shaped objects, no units

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

precision

A

how close results are to one another

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

accuracy

A

how close results are to a known or true value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly