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Year 7 > Particles and Energy MTA > Flashcards

Particles and Energy MTA Flashcards

1
Q

What state of matter is represented by the particle model in the image?

A

Solid

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2
Q

What state of matter is represented by the particle model in the image?

A

Liquid

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3
Q

What state of matter is represented by the particle model in the image?

A

Gas

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4
Q

Can you draw a particle model for a solid?

A
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5
Q

Can you draw a particle model for a liquid?

A
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6
Q

Can you draw a particle model for a gas?

A
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7
Q

Describe how particles are arranged in a solid.

A

Particles are close together
Particles are in a regular arrangement
Particles vibrate on the spot

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8
Q

Describe how particles are arranged in a liquid.

A

Particles are close together.
Particles are in an irregular arrangement.
Particles can move past each other.

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9
Q

Describe how particles are arranged in a gas.

A

Particles are far apart.

Particles move randomly in all directions.

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10
Q

Can you compress a solid?

A

No

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11
Q

Can you compress a liquid?

A

No

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12
Q

Can you compress a gas?

A

Yes

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13
Q

Do solids flow?

A

No

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14
Q

Do liquids flow?

A

Yes

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15
Q

Do gases flow?

A

Yes

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16
Q

Which state of matter has a fixed shape unless you apply a force?

A

Solid

17
Q

Which state of matter takes the shape of the bottom of a container?

A

Liquid

18
Q

Which state of matter takes the shape of the whole container?

A

Gas

19
Q

In which two states of matter can particles move?

A

Liquids and Gases

20
Q

Name the change of state labelled ‘a’.

A

Melting

21
Q

Name the change of state labelled ‘b’.

A

Freezing

22
Q

Name the change of state labelled ‘c’.

A

Boiling

23
Q

Name the change of state labelled ‘d’.

A

Condensing

24
Q

What happens to the particles in a solid when it melts?

A

The particles gain energy.
The particles vibrate more.
The particles start to move.

25
Q

What do the horizontal lines on the graph represent?

A

A change of state

26
Q

What is diffusion?

A

The movement of particles from a high to low concentration

27
Q

What three factors affect the rate of diffusion?

A

Temperature
Particle Size
The state of the substance that is diffusing

28
Q

In which state does diffusion happen most quickly?

A

Gas

29
Q

In which state does diffusion not happen?

A

Solid

30
Q

How does temperature affect diffusion?

A

The higher the temperature, the faster the rate of diffusion.

31
Q

How does particle size affect diffusion?

A

Smaller particles diffuse more quickly than larger particles.

32
Q

Why does diffusion happen faster at higher temperatures?

A

The particles are moving faster

33
Q

Why does diffusion happen faster in gases?

A

The particles are far apart. They travel a long way before colliding with another particle.

34
Q

What equation links pressure, force and area.

A

Pressure = force / area

35
Q

When you add gas particles to a container, what happens to the pressure inside?

A

It increases

36
Q

What causes pressure inside a container?

A

Particles colliding with the walls of the container

Year 7 (12 decks)

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