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Thursday 8/28 - PES 1.5

Last updated 14 days ago
20 questions
PES 1.5: Investigating Size and Distance
0

When can you see stars other than the sun?

You can see stars other than the sun ____.

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💚 Which star is visible (can we see) during the day?

The star we can see during the day is _____.

Criteria For Success (CFS)
  • Read the labels for each column
  • Read the numbers
  • Use the information to answer the question
Data Table 1
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💚 What information does Data Table 1 tell us about the sun compared to other stars?

The sun is ___________ compared to the other stars.

Criteria For Success (CFS)
  • Read the labels for each column
  • Read the numbers
  • Use the information to answer the question
Data Table 2
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What information does Data Table 2 tell us about the sun compared to other stars?

The sun is ___________ compared to the other stars.

Investigating Question: If the stars are all around us, why can't we always see them?

Investigating Stars in Daytime and Nighttime

In order to answer our investigation question, we’ll use the Patterns of Earth and Sky Simulation to investigate what might be different between nighttime, when we can see many stars, and daytime, when we can only see the sun.

Directions:
1. Open the Patterns of Earth and Sky Sim by on the website.
2. Turn “Daytime Star Positions” to ON.
3. Look at the top right corner. Make sure the speed is in HOURS and press the PLAY button.
4. Take your hands OFF your Chromebook and observe the stars in SKY VIEW, both in daytime and nighttime.
5. Use your observations to answer the questions below.
Daytime -
Nighttime -
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Compare daytime and nighttime.

How are the stars in SKY VIEW different in daytime and in night time?

In the daytime we see _____.
In the night time we see _____.

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Is the sun the only star in Sky View during daytime?

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What ideas do you have about why we can’t always see the stars that are all around us?

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💚 Check For Understanding

Could the reason that we don’t see other stars in the daytime have something to do with how far they are from Earth?

Size and Distance Investigation

Remember, creating models can help scientists investigate their questions and better understand how things work. We will also use the strategy of visualizing with this model to see if that improves our understanding.

DIRECTIONS:
  • Watch the teacher created model video.
  • Use the information from the model to answer the questions below.
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Check For Understanding

💚 Based on the model, why do some stars appear to be smaller when we view them from Earth?

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💚 Why does the sun appear larger from Earth?

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Could the reason that we don’t see other stars in the daytime have something to do with how far they are from Earth?

Yes or No and explain why.

_______ because ________

Independent Practice
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💚 Mr. Tuliao says that there are no stars in sky during the day. Is he correct or incorrect. Explain why.

Mr. Tuliao is ___________ because _________

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Mr. Tuliao wants to bring in a model of the Earth. What could he use as a model? Think about Earth's shape.

Explain why that object would be a good model.

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💚 Betelgeuse is a star that is 642 lightyears away. Is it the closest star to Earth. Explain your thinking.

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💚 Mr. Tuliao says the stars looks small because they are small.

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If the stars are all around us, why can't we always see them?

0

💚 Sirius is a star that is 289 lightyears away and Alpha C is 993 light years away from Earth. Which star would appear bigger from Earth? Explain why.

__________ would appear bigger from earth because __________

Exit Ticket
2

💚 From Jhon’s position in the diagram, which sphere would appear to be larger?

1

💚 Why would this sphere appear larger to Jhon? Use evidence from our class activities to explain your response.

1

💚 Jhon said that during the day, the only star in the sky is the Sun because that’s all he can see.

Is Jhon correct or incorrect? Why?