# SQUADS #4 - PowerPoint PPT Presentation

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CPW. Learning Intentions - Today, I am going to address these College Readiness Standards in Science: Interpretation of Data 20-23 Interpretation of Data 24-27 Scientific Investigation 24-27 Scientific Investigation 24-27 Evaluation of Models, Inferences, and Experimental Results 24-27

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#### Presentation Transcript

CPW

• Learning Intentions - Today, I am going to address these College Readiness Standards in Science:

• Interpretation of Data 20-23

• Interpretation of Data 24-27

• Scientific Investigation 24-27

• Scientific Investigation 24-27

• Evaluation of Models, Inferences, and Experimental Results 24-27

• Evaluation of Models, Inferences, and Experimental Results 20-23

• Evaluation of Models, Inferences, and Experimental Results 24-27

Success Criteria – I know I am successful when I can select informationfrom a complex data presentation, understand the methods and tools used in a moderately complex experiment, and select a simple hypothesis, prediction, or conclusion that is supported by a data presentation.

### Quick Note!

• Today’s questions are based on the printed passage you will receive shortly. After reading your passage individually or as a group, choose the best answer to each question. You may refer to the passages as often as necessary.

#1. Based on Student 2’s discussion, Algol B is part of the present Algol system because of which of the following forces exerted on Algol B by the original Algol system?

• Electric force

• Magnetic force

• Gravitational force

• Nuclear force

#2. Based on Student 1’s discussion and Fact 4, while matter flowed between Algol A and Algol B, Algol B produced the majority of its energy by fusing:

• hydrogen nuclei to make helium nuclei at its center.

• hydrogen nuclei to make helium nuclei in a shell surrounding its center.

• helium nuclei to make hydrogen nuclei at its center.

• helium nuclei to make hydrogen nuclei in a shell surrounding its center.

#3. Suppose that chemical composition is uniform among stars formed from the same cloud of gas and dust, but that chemical composition varies among stars formed from different clouds of gas and dust. Student 2 would most likely agree with which of the following statements comparing the chemical compositions of the stars in the present-day Algol system at the time they formed?

• Algol A and Algol B had the most similar compositions.

• Algol A and Algol C had the most similar compositions.

• Algol B and Algol C had the most similar compositions.

• Algol A, Algol B, and Algol C had the same composition.

#4. If the mass of the Sun is 2.0 x 1030 kg, what is the mass of Algol C?

• 1.6 x 1030 kg

• 2.0 x 1030 kg

• 3.4 x 1030 kg

• 7.2 x 1030 kg

#5. Which of the following statements best explains why the reaction described in Fact 3 requires a high temperature and pressure?

• All protons are positively charged, and like charges attract each other.

• All protons are positively charged, and like charges repel each other.

• All electrons are negatively charged, and like charges attract each other.

• All electrons are negatively charged, and like charges repel each other.

#6. Based on Fact 5 and Student 1’s discussion, which of the 3 stars in the Algol system, if any, was most likely the first to become an MS star?

• Algol A

• Algol B

• Algol C

• The 3 stars became MS stars at the same time.

#7. Based on Fact 5, would Student 2 agree that by the time Algol A stops being an MS star, Algol A will have spent as much time being an MS star as Algol B spent being an MS star?

• Yes, because according to Student 2, Algol A has always been more massive than Algol B.

• Yes, because according to Student 2, Algol A has always been less massive than Algol B.

• No, because according to Student 2, Algol A has always been more massive than Algol B.

• No, because according to Student 2, Algol A has always been less massive than Algol B.