Kinetic Model of Matter

Kinetic Model of Matter

By Malcolm Harrison

Temperature is a measure of the average Kinetic Energy of particles

If you remember this then the topic is easy to remember

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Multiple Choice

No Definite Shape and No Definite Volume

• Gas
• Liquid
• Solid

Multiple Choice

Definite shape and a definite volume.

• Gas
• Liquid
• Solid

Multiple Choice

When the temperature of matter decreases the particles ...

• speed up and move farther apart
• speed up and move closer together
• slow down and move farther apart
• slow down and move closer together

Multiple Choice

When air in a hot air balloon is heated the air inside the baloon...

• expands
• contracts
• evaporates
• condenses

Multiple Choice

Railroad tracks have gaps between rails so they don't buckle in hot weather because

• thermal conductivity
• specific heat
• thermal expansion
• thermal insulation

Multiple Choice

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.

Multiple Choice

All matter is made of _____ that are constantly moving.

• insulators
• particles
• convection
• pieces of plastic

Multiple Choice

If an object has particles that are moving very slowly, the object's temperature is probably ______.

• hot
• small
• cold
• big

Multiple Choice

If an object has particles that are moving very quickly, the object 's temperature is probably _____.

• cold
• slow
• big
• hot

Multiple Choice

The liquid in a thermometer ______________ as the temperature increases.

• expands
• disappears
• freezes
• explodes

Multiple Choice

What phase change occurs between points B and C if heat is added?

• Freezing
• Melting
• Boiling
• Condensing

Multiple Choice

Which phase change occurs between points D and E if heat is added?

• Freezing
• Melting
• Boiling
• Condensing

Multiple Choice

Which states of matter exist between points B and C?

• Solid and liquid
• Liquid and gas
• Gas and solid

Multiple Choice

Which phase change occurs between points B and C if heat is REMOVED

• Freezing
• Boiling
• Melting
• Condensing

Multiple Choice

Which states of matter exist between points D and E?

• Solid and liquid
• Liquid and gas
• Solid and gas

Multiple Choice

Which state of matter exists between point A and B?

• Solid
• Liquid
• Gas

Multiple Choice

Which state of matter exits at point E and beyond?

• Solid
• Liquid
• Gas

Draw

Complete the blanks

Draw

Complete the blanks

Multiple Choice

When a liquid evaporates some of its molecules escape from the surface and the temperature of the liquid changes.

Which now describes the escaping molecules and the change in temperature of the liquid?

• A

• B

• C

• D

Draw

Complete the question

Draw

Complete the questions

Multiple Choice

What is the new volume and pressure of the trapped air

• A

• B

• C

• D

Open Ended

Explain in terms of molecules why it is possible to compress a gas but not a liquid

Open Ended

Explain in terms of molecules why the temperature has decreased

Open Ended

Predict which container has the greater rate of cooling. Explain your answer

Homework is to complete the handout in Class Notebook

Exercise 8 and 9 also Submit on Teams by 8pm Tuesday