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Particle Model (year 10) OALH

Last updated almost 5 years ago
39 questions
Do Now:
1

State the definition of radioactive contamination.

1

State what affects the level of hazard from contamination.

1

What is the half-life of a radioactive isotope?

1

What piece of equipment is used to determine the mass of an object in the laboratory

1

Use the graph on the powerpoint to determine the half-life of a radioactive source.

1

Challenge: Explain why the process of beta decay increases an atoms atomic number.

New Knoledge
1

Which state of matter is typically the most dense?

1

Which state of matter is typically the least dense?

1

What is the definition of density?

Key Knowledge LCWC
1

What is the particle model used to describe?

1

Describe the arrangement of particles in a gas

1

Describe the arrangement of particles in a liquid

1

Describe the arrangement of particles in a solid

1

What is density?

1

What is the equation for density?

1

What is the particle model used to describe?

1

Describe the arrangement of particles in a gas

1

Describe the arrangement of particles in a liquid

1

Describe the arrangement of particles in a solid

1

What is density?

1

What is the equation for density?

Recall Quiz
1

State the equation to calculate density.

1

Which state of matter has particles furthest apart?

1

Which state of matter has particles vibrating around a fixed position?

1

As well as different states of matter, what does the particle model describe?

1

In which state of matter can particles slide over each other?

You Do:
1

Use the particle model to sketch a solid and a gas

1

Use your diagram to explain why a solid is more dense than a gas for the same material.

You Do
1

Use the particle model to sketch a liquid and a gas.

1

Use this diagram to explain why a liquid is more dense than a gas for the same material

Application task:
1

A mass of a gas and a solid are the same. Explain, using the particle model, which occupies a larger volume.

We Do:
1

The helium in the balloon has a mass of 2.54 g.
The balloon has a volume of 0.0141 m3.
Calculate the density of helium to 3 significant figures

You Do
1

A 4.0 cm3 ice cube has a mass of 3.7 g.
Calculate the density of ice.

Do Now:
1

Write the equation for density

1

Rearrange the equation for density to make mass the subject

1

Rearrange the equation for density to make volume the subject

1

State the units for density

1

State the units for volume

1

State the units for mass.