Characteristics of Matter Flashcards

0
Q

Measured in grams

A

mass

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1
Q

The amount of matter in an object.

A

Mass

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2
Q

The amount of space matter takes up.

A

volume

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3
Q

Measured in ml

A

volume

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4
Q

to get larger (increase in volume)

A

expand

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5
Q

to get smaller (decrease in volume)

A

contract

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6
Q

How much matter something can hold

A

capacity

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7
Q

Tool to measure the amount of matter in an object.

A

balance scale

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8
Q

Tool to measure volume.

A

graduated cylinder

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9
Q

The amount of mass in a certain volume of matter.

A

density

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10
Q

The way to find density.

A

D= m/v (we love density)

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11
Q

The mathematical way to find the volume of a rectangular solid (a cube for example).

A

v=l x w x h

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12
Q

A way to find volume using a graduated cylinder.

A

water displacement method

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13
Q

If I know the volume of an object, do I know its mass?

A

no

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14
Q

If I know the mass of an object, do I know its volume?

A

no

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15
Q

When heat is added to an object, the particles move farther away from each other and it usually _________.

A

expands

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16
Q

When heat is removed from an object, the particles move slower and closer to each other and it usually ________.

A

contracts

17
Q

Which is bigger, an object with a mass of 25g or an object with a mass of 75g?

A

You don’t know!! Just because you know the mass does not mean that you know the volume! (just because you know a person’s weight, doesn’t mean that you know their height!)

18
Q

If a 10g cube floats in water, what do you know about its density?

A

the density is less than that of water.

19
Q

The three common states of matter.

A

solid, liquid, gas

20
Q

If a 10g cube sinks in water, what do you know about its density?

A

the density is greater than that of water.

21
Q

The curved surface a liquid makes in a graduated cylinder.

A

Meniscus

22
Q

Energy of motion.

A

Kinetic energy

23
Q

The measure of the average kinetic energy of the particles in a material.

A

temperature

24
Q

Energy that flows from warmer regions to cooler regions.

A

heat

25
Q

State of matter where the molecules vibrate but do not leave their positions.

A

Solid

26
Q

State of matter where molecules can slip and slide past each other.

A

liquid

27
Q

State of matter where the molecules cannot be held together so they move around and fill up the space they are in.

A

gas

28
Q

To go from solid to liquid.

A

melt

29
Q

To change in state from a liquid to a gas.

A

Evaporation

30
Q

To change in state from a gas to a liquid.

A

Condensation

31
Q

To change in state from a liquid to a solid.

A

Freezing

32
Q

A rapid evaporation.

A

Boiling

33
Q

What happens to the molecules in matter when energy is added to it?

A

They move faster and farther apart.

34
Q

When heat energy is added to a solid it can ________.

A

Melt

35
Q

When heat energy is taken away from a liquid, it can _________.

A

Freeze

36
Q

When heat energy is added to a liquid, it can_________.

A

Evaporate

37
Q

When heat energy is taken away from a gas, it can ________.

A

Condense

38
Q

Definite shape, definite volume

A

Solid

39
Q

No definite shape, definite volume

A

Liquid

40
Q

No definite shape, no definite volume

A

Gas

41
Q

What happens to the molecules in matter when heat energy is taken away from it?

A

The molecules move slower and closer together.