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Standards

I can model and explain the motion and relative position of particles in each phase and how that is associated with energy.
I can model and explain what occurs during a phase change in terms of energy, motion, and relative position of particles.
I can identify and describe the inverse and proportional mathematical relationships between temperature, pressure, and volume of gases as well as describe what will happen to the particles of a gas when temperature, pressure, or volume is changed.
I can develop and use models to describe phenomena.

Content Standard #1: I can model and explain the motion and relative position of particles in each phase and how that is associated with energy.

2

Draw a model of a SOLID. Use circles for particles and draw arrows to indicate kinetic energy.

3

List three properties of the SOLID you drew above.

You're hiking in the mountains and grab a handful of snow to boil for a hot drink.

The pictures below represent each phase of the snow (snow, hot water, and steam).

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1

Which picture represents liquid water?

A

B

C

1

3

Global climate change is causing the oceans to warm. Along with warming, we have seen sea levels rise. Scientists expect that as the oceans continue to warm, the sea level will continue to rise.
Explain the connection between increasing ocean temperatures and rising sea levels.
You may find it helpful to use some terms from the word bank.
Constant, increase/decrease, particle, movement, faster/slower, volume, kinetic energy, spacing, expand, density

Content Standard #2: I can model and explain what occurs during a phase change in terms of energy, motion, and relative position of particles.

1

3

Content Standard #3: I can identify and describe the inverse and proportional mathematical relationships between temperature, pressure, and volume of gases as well as describe what will happen to the particles of a gas when temperature, pressure, or volume is changed.

1

Temperature is a measure of...

How much particles are attracted to the walls of the container

How close particles are to each other

The number of collisions particles have with the walls of a container

The average kinetic energy (speed) of the particles

2

1

Max wants to hide a balloon in the freezer to surprise his friend. Alle says the balloon will pop, but D’asha says the balloon will shrink in the freezer. Which evidence supports the correct claim?

Alle is right because balloons expand when covered in cold liquid nitrogen and the cold air temperature of the freezer will do the same thing.

D’asha is right because balloons get smaller when covered with cold liquid nitrogen, and the cold air temperature of the freezer will do the same thing.

D’asha is right because cold freezer temperatures make the molecules move more quickly and so shrink the size of the balloon.

Alle is right because freezers are cold enough to always pop balloons.

1

Which reasoning supports the answer above?

When particles are at a lower temperature, they speed up and have more collisions with each other.

When particles are at a lower temperature, the molecules get smaller.

When particles are at a lower temperature, they are moving slower and colliding less.

When particles are at a lower temperature, they are moving faster and are farther apart.

When particles are at a lower temperature, they get sharper and can break balloons.

1

Marie the Marine Biologist studies creatures from the deepest parts of the ocean, where the pressure underwater is incredibly high. Unfortunately, everytime she catches a deep sea creature, it 'explodes' as it is raised to the surface. What explains this?
When the creatures are brought to the surface...

... the gases in their bodies gets hotter and this 'melts' them

... the gases in their bodies expand, making them explode

... the gases in their bodies go through a phase change, which makes them explode

... the particles in their muscles get further apart, which makes them explode

1

In which relationship(s) does one variable double if you double the other? (choose all that apply)

A

B

C

4

On very cold winter mornings, my car shows the low tire pressure warning light:
In the warmer afternoon, when I’m headed home, there is no warning light.
Why does the warning light turn on in the morning and not in the afternoon?
You may find it helpful to use some terms from the word bank.
Constant, increase/decrease, particle, movement, faster/slower, collisions, temperature, pressure, kinetic energy, spacing, expand/contract

Scientific Practices Standard: I can develop and use models to describe phenomena.

On your Tanker model packet, fill in the final model page. Make sure to show/explain the following:

How molecules cause pressure
What the particles are doing inside and outside the tanker at every part (before, during, and after)
How the temperature, pressure, and volume of the particles are changing/not changing at every part
How changes in the volume of the particles affects the pressure

I have included the video if you would like to watch the it again.

NGSS Chemistry NCSD Unit 1 Test - A (master)

Content Standard #1: I can model and explain the motion and relative position of particles in each phase and how that is associated with energy.

Content Standard #2: I can model and explain what occurs during a phase change in terms of energy, motion, and relative position of particles.

Content Standard #3: I can identify and describe the inverse and proportional mathematical relationships between temperature, pressure, and volume of gases as well as describe what will happen to the particles of a gas when temperature, pressure, or volume is changed.

NGSS Chemistry NCSD Unit 1 Test - A (master)

Content Standard #1: I can model and explain the motion and relative position of particles in each phase and how that is associated with energy.

Draw a model of a SOLID. Use circles for particles and draw arrows to indicate kinetic energy.

List three properties of the SOLID you drew above.

Which picture represents liquid water?

Content Standard #2: I can model and explain what occurs during a phase change in terms of energy, motion, and relative position of particles.

Content Standard #3: I can identify and describe the inverse and proportional mathematical relationships between temperature, pressure, and volume of gases as well as describe what will happen to the particles of a gas when temperature, pressure, or volume is changed.

Temperature is a measure of...

Max wants to hide a balloon in the freezer to surprise his friend. Alle says the balloon will pop, but D’asha says the balloon will shrink in the freezer. Which evidence supports the correct claim?

Which reasoning supports the answer above?

In which relationship(s) does one variable double if you double the other? (choose all that apply)

Scientific Practices Standard: I can develop and use models to describe phenomena.

Draw a model of a SOLID. Use circles for particles and draw arrows to indicate kinetic energy.

List three properties of the SOLID you drew above.

Which picture represents liquid water?

Which picture represents particles that have low kinetic energy?

Which picture represents particles that are moving the fastest?

Temperature is a measure of...

Max wants to hide a balloon in the freezer to surprise his friend. Alle says the balloon will pop, but D’asha says the balloon will shrink in the freezer. Which evidence supports the correct claim?

Which reasoning supports the answer above?

In which relationship(s) does one variable double if you double the other? (choose all that apply)

Scientific Practices Standard: I can develop and use models to describe phenomena.

Which picture represents particles that have low kinetic energy?

Which picture represents particles that are moving the fastest?