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S1 Science > 1. Matter > Flashcards

1. Matter Flashcards

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1
Q

What are 6 properties of solids?

A
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2
Q

What are 6 properties of gases?

A
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3
Q

What are 6 properties of liquids?

A
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4
Q

What does “flow” mean?

A

The ability of particles to move free from each other.

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5
Q

What is compression?

A

Using force to squeeze the same number of particles into a smaller volume.

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6
Q

Why can’t solids and liquids be easily compressed?

A

Beacuse the particles are already very closely packed together

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7
Q

Place the 3 states in order of density starting with most dense.

A
  1. solids
  2. liquids
  3. gases
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8
Q

Which experiment shows that liquids have spaces?

A

Water and alcohol mixing

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9
Q

What is diffusion?

A

The particles of one substance moving through the particles of another

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10
Q

In which state does diffusion happen most quickly?

A

Gas

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11
Q

What was diffusion in liquids experiment

A
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12
Q

What was diffusion in gases experiment?

A
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13
Q

Place the 3 states in order of diffusion speed.

A
  1. gases
  2. liquids
  3. solids
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14
Q

What is needed for diffusion to happen in matter?

A
  1. Particles moving
  2. Spaces for particles to move into
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15
Q

What is expansion?

A

Same number of particles with an increse in volume

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16
Q

What is contraction?

A

Same number of particles with a decrease in volume

17
Q

Expansion in solids experiment

A
18
Q

Experiment to show expansion in gases

A

The particles gain energy and can move more quickly.

19
Q

Expansion in liquids experiment

A
20
Q

Example of expansion in solids in everyday life.

A

Expansion joints in bridges.

21
Q

Example of expansion in liquids in everyday life

A
22
Q

What is a bi-metallic strip?

A

2 metals joined together with different expansion rates

23
Q

What happens when a bimetallic strip is heated?

A

The free end bends upward.

24
Q

How does a bi-metallic strip fire alarm wor?

A
25
Q

What are the changes of state for water?

A
26
Q

What happens during “Melting” ?

A

A solid turns into a liquid as the particles gain heat energy and vibrate more vigorously

27
Q

What happens during “Evaporation” ?

A

A liquid turns into a gas as the particles gain heat energy and move more quickly

28
Q

What happens during “condensation” ?

A

A gas turns to a liquid as the particles lose heat energy and move less quickly

29
Q

What happens during “Freezing” ?

A

A liquid turns to a solid as the particles lose heat energy and move less quickly

30
Q

The water cycle in nature

A
31
Q

What is the composition of the air we breathe?

A
32
Q

Give uses for the 4 gases in the air

A
33
Q

What are the freezing and boiling points of water?

A

S1 Science (6 decks)

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