Changes of state (year 10) OALH

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25 questions
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1

Give the state of matter which is the least dense.

1

Give the state of matter where particles slide over eachother

1

Draw the arrangement of particles in a solid

1

State the piece of equipment used to accurately measure the mass of a liquid.

1

Calculate the density of an object with a volume of 10cm3 and a mass of 3kg

1

Challenge: Substance X has a mass of 85kg and a length of 5cm, height of 3cm and width of 9cm. Calculate the density.

Key Knowledge LCWC
1

Why is a change of state a physical change?

1

Recall the 5 changes of state

1

Describe what happens to the arrangement, motion and bonding of particles during FREEZING

1

Describe what happens to the arrangement and motion of particles during CONDENSING

1

Why is a change of state a physical change?

1

Recall the 5 changes of state

1

Describe what happens to the arrangement, motion and bonding of particles during FREEZING

1

Describe what happens to the arrangement and motion of particles during CONDENSING

Recall Quiz: Identify the state in each scenario.
1

Particles are vibratin in a fixed position.

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Particles move in random directions quickly

Identify the change of state in each scenario.
1

Particles change from bvibrating to sliding over each other.

1

Some bonds break between particles .

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All bonds break between particles and particles go from a regular arrangement ro an irregular arrangement.

Application task: I do
1

Describe the arrangement and movement of particles in a solid.

Application task: we do
1

Describe the arrangement and movement of particles in a liquid.

1

Describe the arrangement and movement of particles in a gas.

Plenary: Name the state change
1

Substance turns from a gas into a liquid

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Particles form lots of bonds and form a regular arrangement

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All bonds break and particles change from sliding over each other to moving quickly in all directions.