Particle theory

Presentation

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Chemistry

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6th - 9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-4, MS-PS1-1, MS-PS3-4

Standards-aligned

Mr O'Neill

Used 370+ times

FREE Resource

5 Slides • 12 Questions

Particles

Lesson 1 - The particle model

Particle Theory overview

We know that all matter is made up of particles and we can use this to explain the properties of solids liquids and gases.
Particle arrangement in solid's are really close together, in liquids they have more room between them and in gases they are more freely moving and further apart.
More energy = More movement of these particles, more room between particles.
Less Energy = Less movement of these particles, less room between particles.
Heat is one thing which can greatly increase the energy in any substance.

Multiple Choice

All matter is made up of tiny _______________

energy

particles (atoms and molecules)

bits

antimatter

Multiple Choice

As particles are exposed to warmer temperatures they __________

speed up

slow down

stay the same

vibrate

Multiple Select

Which states of matter are freely moving?

Gases

Liquids

Solids

Multiple Select

Which of these has no fixed shape?

Solid

Liquid

Gas

Multiple Choice

Only one of these can be compressed, tick which one you think is correct?

Solid

Liquid

Gas

Changing state

Please take a few minutes to draw this diagram in your books (it does not have to be detailed.

Multiple Choice

What is the term given to the temperature at which a solid turns into a liquid?

Boiling point

Melting point

Freezing point

Heating point

Multiple Choice

The process when a liquid turns into a gas

Evaporation

Melting

Condensation

Deposition

Multiple Choice

The process when a gas turns into a liquid

Condensation

Sublimation

Freezing

Evaporation

Multiple Choice

The process when a solid turns into a liquid

Evaporation

Sublimation

Freezing

Melting

Diffusion

If food dye is carefully dropped into water, you see the dye start to spread out because the particles move freely.

Multiple Choice

As particles are exposed to colder temperatures they _____

speed up

slow down

stay the same

become ions

Multiple Choice

Particles at a higher temperature, move _____________ than those at a lower temperature.

faster

slower

Multiple Choice

Particles are always moving.

True

False

Particles

Lesson 1 - The particle model

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