Mass Volume Density Flashcards

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0
Q

4 tools to measure mass of an object

A

Double pan
Quad balance
Triple beam balance
Scale

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1
Q

What is mass

A

Amount of matter in an object

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2
Q

How does mass differ from weight

A

Weight is how much gravity is pulling and mass is how much matter there is in something

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3
Q

How do you measure mass on a triple beam balance?

A

Start all riders at zero, move the 100gram rider first but don’t go over the pointer, then move the 10 gram rider but don’t go over the pointer, with the top of our pen or pencil move the 1 gram order until the two pointers line up.

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4
Q

Why is it important to make the scale zero before taking measurements?

A

So you can get the correct measurement

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5
Q

How do you find the mass of water

A

You put the empty beaker on scale,
find the mass of the beaker,
Fill beaker with water,
Subtract the two masses the answer is the mass of water alone

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6
Q

What tools do we use to measure weight

A

Electronic and spring scales

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7
Q

Define volume

A

The amount of space an object takes up

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8
Q

What is a regular object

A

Something that has a solid a

Shape

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9
Q

What tool is used to measure the volume of a regular object

A

Ruler

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10
Q

What is the equation to find the volume of regular object

A

Length time width times height

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11
Q

What are the names for two tools you use to measure volume of a liquid

A

Graduated cylinder and Beaker

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12
Q

Where do measure volume of a Liquid from

A

Meniscus

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13
Q

Liquid volume is mainly measured in…

A

Liters or milliliters

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14
Q

What is an irregular object

A

Something that Has an irregular shape that can’t be measured using a ruler

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15
Q

What is the name for the process of measuring volume of an irregular object

A

Displacement method

16
Q

What tool would you use to measure volume of a shell

A

Graduated cylinder or beaker

17
Q

How do you measure the volume of an irregular shaped object

A
Fill graduated cylinder with water
Read meniscus
Put object in
Read meniscus again
Subtract to measurements
18
Q

How do you find density of an object

A

Find mass w/ balance
Find volume w/ ruler
Divide m\ v

19
Q

What is the equation for finding density

A

Mass/volume

Mass divided by volume

20
Q

Density is measure in…

A

g/cm3

21
Q

What is the density of water

A

1.0g/ml

22
Q

What do you call an object that does not float or sink

A

Suspended

23
Q

Given the density of an object how do you determine if it will float or sink in water

A

If it has a density less than one it will float