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worksheet – a month ago **files (1)** – ## chm110_v8_wk1_PhET_observation_guide_states_of_matter1.docx **## chm110_v8_wk1_PhET_observation_guide_states_of_matter1.docx** CHM/110 v8 PhET Observation Guide: States of Matter CHM/110 v8 Page 2 of 3 ## ![](https://www.sweetstudy.com/quest…

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worksheet

– a month ago

**files (1)**

– ## chm110_v8_wk1_PhET_observation_guide_states_of_matter1.docx

**## chm110_v8_wk1_PhET_observation_guide_states_of_matter1.docx**

CHM/110 v8

PhET Observation Guide: States of Matter

CHM/110 v8

Page 2 of 3

## ![](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)PhET Observation Guide: States of Matter

**Use** this guide to help you complete the PhET simulation: States of Matter.

### Simulation

**Visit** the
[States of Matter: Basics simulation](https://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_en.html) and then
**complete** the following steps.

Click the play button on the first page of the simulation.

![First page of States of Matter: Basics simulation showing where the play button is located](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Click on the
**States** icon from the States of Matter: Basics home screen.

![Image of home page of the States of Matter: Basics simulation once the play button is selected, with an arrow indicating where the states icon is located](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

1. Select the radio button for
**Water** from the Atoms & Molecules Menu on the top right.

![A screenshot of the States of Matter simulation showing the Atoms and Molecules menu on the right side of the page with an arrow showing Water has been selected](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Solid** button. Observe the atomic structure of water as a solid. Note the reading on the thermometer near the top of the container.

a. Record the temperature when you select Solid:

Write 2-3 sentences explaining your observations about water molecules as a solid.

![A screenshot of the States of Matter simulation with the Atoms and Molecules menu on the upper right of the screen with an arrow indicating where solid can be selected. The temperature indicator is located at the upper left corner of the molecule chamber. and a slider bar on a bucket showing heat and cool is located at the bottom center of the screenshot.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Liquid** button. Observe the atomic structure of water as a liquid. Note the reading on the thermometer near the top of the container.

b. Record the temperature of the thermometer when you select Liquid:

c. Write 2-3 sentences explaining your observations about water molecules as a liquid.

![A screenshot of the States of Matter simulation showing the Atoms and Molecules menu at the upper right of the screen with an arrow indicating where liquid can be selected. The temperature indicator is in the upper left corner of the molecule chamber and the heat or cool slider bar is located at the bottom center of the screen](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Gas** button. Observe the atomic structure of the water as a gas. Note the reading on the thermometer near the top of the container.

d. Record the temperature of the thermometer when you select Gas:

e. Write 2-3 sentences explaining your observations about water molecules as a gas.

![A screenshot of the States of Matter simulation with the Atoms and Molecules menu in the upper right corner with an arrow indicating where Gas can be selected. The temperature strip is located in the upper right corner of the molecule chamber and a heat or cool slider bar is located at the bottom center of the screen.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Cool the container by clicking and holding the slider to “Cool” under the container. Cool the sample until the thermometer reaches 50 K. Record your observations. Continue to cool the sample to the lowest possible reading. Observe and record the lowest reading and pay attention to the change in motion of the molecules as you do this.

f. What was your observation when the water molecules were cooled to 50 K?

g. What is the lowest possible cooling temperature?

h. What did you observe when the water molecules were cooled to their lowest possible temperature?

![IA screenshot of the States of Matter simulation with Atoms and Molecules menu at upper right with arrow pointing thermometer reading with instructions to cool to lowest possible reading. Arrow pointing to slider bar on bucket with instructions to move to cool and hold in place to facilitate cooling.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Heat the container by clicking and holding the slider to “Heat.” Heat the sample until the thermometer reaches 100 K. Record your observations. Continue to heat the sample to 500 K. Observe and record the reading and pay attention to the change in motion of the molecules as you do this.

i. What did you observe when the water molecules were heated to 100 K?

j. What did you observe when the water molecules were heated to 500 K?

![A screenshot of the States of Matter simulation with Atoms and Molecules menu at upper right with arrow pointing thermometer reading with instructions to heat to highest possible reading. Arrow pointing to slider bar on bucket with instructions to move to heat and hold in place to facilitate heating](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

### Connecting Ideas

Now that you have explored water as a solid, liquid, and gas, let’s think about how these ideas support some chemistry concepts.

The learning goal for this week is: Classify matter, including its physical and chemical properties, the structure of atoms, and the relationships between elements as organized in the Periodic Table of Elements. Use what you know about the learning goal and respond to the following prompts:

· Identify which parts of the learning goal you explored in this PhET observation guide.

· Which parts of the learning goal were not addressed in this observation guide?

· In 2-3 sentences, explain what you learned about classifying matter, including physical and chemical properties, from this observation guide.

Copyright 2025 by University of Phoenix. All rights reserved.

Copyright 2025 by University of Phoenix. All rights reserved.

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**## chm110_v8_wk1_PhET_observation_guide_states_of_matter1.docx**

CHM/110 v8

PhET Observation Guide: States of Matter

CHM/110 v8

Page 2 of 3

## ![](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)PhET Observation Guide: States of Matter

**Use** this guide to help you complete the PhET simulation: States of Matter.

### Simulation

**Visit** the
[States of Matter: Basics simulation](https://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_en.html) and then
**complete** the following steps.

Click the play button on the first page of the simulation.

![First page of States of Matter: Basics simulation showing where the play button is located](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Click on the
**States** icon from the States of Matter: Basics home screen.

![Image of home page of the States of Matter: Basics simulation once the play button is selected, with an arrow indicating where the states icon is located](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

1. Select the radio button for
**Water** from the Atoms & Molecules Menu on the top right.

![A screenshot of the States of Matter simulation showing the Atoms and Molecules menu on the right side of the page with an arrow showing Water has been selected](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Solid** button. Observe the atomic structure of water as a solid. Note the reading on the thermometer near the top of the container.

a. Record the temperature when you select Solid:

Write 2-3 sentences explaining your observations about water molecules as a solid.

![A screenshot of the States of Matter simulation with the Atoms and Molecules menu on the upper right of the screen with an arrow indicating where solid can be selected. The temperature indicator is located at the upper left corner of the molecule chamber. and a slider bar on a bucket showing heat and cool is located at the bottom center of the screenshot.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Liquid** button. Observe the atomic structure of water as a liquid. Note the reading on the thermometer near the top of the container.

b. Record the temperature of the thermometer when you select Liquid:

c. Write 2-3 sentences explaining your observations about water molecules as a liquid.

![A screenshot of the States of Matter simulation showing the Atoms and Molecules menu at the upper right of the screen with an arrow indicating where liquid can be selected. The temperature indicator is in the upper left corner of the molecule chamber and the heat or cool slider bar is located at the bottom center of the screen](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Select the
**Gas** button. Observe the atomic structure of the water as a gas. Note the reading on the thermometer near the top of the container.

d. Record the temperature of the thermometer when you select Gas:

e. Write 2-3 sentences explaining your observations about water molecules as a gas.

![A screenshot of the States of Matter simulation with the Atoms and Molecules menu in the upper right corner with an arrow indicating where Gas can be selected. The temperature strip is located in the upper right corner of the molecule chamber and a heat or cool slider bar is located at the bottom center of the screen.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Cool the container by clicking and holding the slider to “Cool” under the container. Cool the sample until the thermometer reaches 50 K. Record your observations. Continue to cool the sample to the lowest possible reading. Observe and record the lowest reading and pay attention to the change in motion of the molecules as you do this.

f. What was your observation when the water molecules were cooled to 50 K?

g. What is the lowest possible cooling temperature?

h. What did you observe when the water molecules were cooled to their lowest possible temperature?

![IA screenshot of the States of Matter simulation with Atoms and Molecules menu at upper right with arrow pointing thermometer reading with instructions to cool to lowest possible reading. Arrow pointing to slider bar on bucket with instructions to move to cool and hold in place to facilitate cooling.](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

Heat the container by clicking and holding the slider to “Heat.” Heat the sample until the thermometer reaches 100 K. Record your observations. Continue to heat the sample to 500 K. Observe and record the reading and pay attention to the change in motion of the molecules as you do this.

i. What did you observe when the water molecules were heated to 100 K?

j. What did you observe when the water molecules were heated to 500 K?

![A screenshot of the States of Matter simulation with Atoms and Molecules menu at upper right with arrow pointing thermometer reading with instructions to heat to highest possible reading. Arrow pointing to slider bar on bucket with instructions to move to heat and hold in place to facilitate heating](https://www.sweetstudy.com/questions/wk-1-phet-simulation-and-observation-guide)

### Connecting Ideas

Now that you have explored water as a solid, liquid, and gas, let’s think about how these ideas support some chemistry concepts.

The learning goal for this week is: Classify matter, including its physical and chemical properties, the structure of atoms, and the relationships between elements as organized in the Periodic Table of Elements. Use what you know about the learning goal and respond to the following prompts:

· Identify which parts of the learning goal you explored in this PhET observation guide.

· Which parts of the learning goal were not addressed in this observation guide?

· In 2-3 sentences, explain what you learned about classifying matter, including physical and chemical properties, from this observation guide.

Copyright 2025 by University of Phoenix. All rights reserved.

Copyright 2025 by University of Phoenix. All rights reserved.

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## image5.png

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## image8.png

## image9.png

## image1.png

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