YR10 Matter Flashcards

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1
Q

Define density?

A

How much mass is in a certain volume

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2
Q

How do you calculate density?

A

Mass over volume

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3
Q

How do you measure the density of an irregular object?

A

The change in water level = volume of object

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4
Q

What is the correct apparatus to measure mass of the objects?

A

Mass balance

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5
Q

For an irregular object, what can do you place it in with water?

A

A eureka can

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6
Q

What are the 3 states of matter?

A

Solid, liquid, gas

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7
Q

What is 2 differences between billing and evaporating?

A

Boiling can happen at any part of the liquid whereas evaporation only happens at surface of liquid, evaporating is a lot slower

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8
Q

What is the state change from solid to gas?

A

Sublimation

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9
Q

What is the state change from gas to solid?

A

Deposition

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10
Q

Does gas have a fixed volume?

A

NO

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11
Q

Define latent heat?

A

Energy transferred to a substance when it changes state

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12
Q

What is kinetic energy dependant on?

A

Temperature

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13
Q

What is internal energy?

A

Kinetic energy + potential energy

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14
Q

Define internal energy?

A

The total energy held within the particles of a substance by their movement and relative positions to one another

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15
Q

Define specific latent heat?

A

The energy transferred per kilogram when a substance changes state

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16
Q

What is the difference between the specific latent heat of fusion and vaporisation?

A

Fusion is melting + freezing whereas vaporisation is boiling + condensing

17
Q

Describe he relationship when volume increases and pressure decreases?

A

Inversely proportional

18
Q

What increases gas pressure?

A

When particles collide more frequently with sides of the container, each collision is more forceful