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# DO NOW - PowerPoint PPT Presentation

DO NOW. V: 0. Homework & Agenda. V: 0. TEKS. V: 0. Vocabulary. V: 0. Electromagnetic Spectrum Frequency Waves. EQs & Objectives. V: 0. Fingerprinting. V: 2. Using Pages RM 19-20, determine the elements in each star. **Teacher will model how to do this**

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Presentation Transcript

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• Electromagnetic Spectrum

• Frequency

• Waves

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• Using Pages RM 19-20, determine the elements in each star.

• **Teacher will model how to do this**

• 2. For each star, put an “X” next to the element name for each element it has on RM 21.

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• What elements are found in all five stars?

• Why do you think these elements are found in all five stars? Think about their atomic structure and placement on the Periodic Table.

• Do any of the stars contain all eight of the given elements?

• Which of the stars do you think is the oldest?

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• HR Diagram

• White Dwarf

• Red Giant

• Red Supergiant

• Main Sequence Star

• Magnitude

• Brightness

• Temperature

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Record observations and data on the handout.

• Inflate a balloon to about 45cm in circumference.

• Cover the balloon in aluminum foil and measure the circumference of the “star”.

• Measure the mass of the “star”.

• Pop the balloon and gently crush the foil (NOT ALL THE WAY) to represent a supernova.

• Measure the new circumference and mass.

• Crush the foil a second time, measure the mass and volume.

• Crush the foil a final time to represent a black hole.

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BrainPop: Life Cycle of Star

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• Complete the card sort with your shoulder partner

• Copy on page of your INB.

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• HR Diagram

• White Dwarf

• Red Giant

• Red Supergiant

• Main Sequence Star

• Magnitude

• Brightness

• Temperature

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• Get out the large HR Diagram

• Each person at your table should have number of stars.

• Place the stars on the diagram.

• Copy the diagram onto page 27 of your notebook.

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• Complete the Reading “The Hertzsprung-Russell” Diagram

• Complete RM 23

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How are stars classified?

Stars are classified by…..

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• Electromagnetic Waves

• Spectroscope

• HR Diagram

• White Dwarf

• Red Giant

• Red Supergiant

• Main Sequence Star

• Magnitude

• Brightness

• Temperature

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Underline the question

Bubble important words

Identify the key idea, write it in margin.

Mass of an object

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• Place your quiz in the folder

• Complete the Assignment: Our Universal Address

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• Review this week’s homework