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ACT Prep Round 2Subject: 9th Grade ScienceAgenda Page 43

Learning Intentions - Today, I am going to practice College Readiness Standards in Science:

1. Interpretation of Data, 20-23 and 24-27

2. Scientific Investigation, 24-27

Success Criteria – I am successful if I can…

1. Select information from a complex data presentation

2. Understand the methods and tools used in a moderately complex experiment

Week 10CPW

9th Grade Science

• You have 4 Minutes to read your passage.• You will have 1 minute and 30 seconds to work

on each question individually.• You will have 1 minute and 30 seconds to work

as a group and write your rationales for each answer.

9th Grade Science

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?

A. Electric forceB. Magnetic forceC. Gravitational forceD. Nuclear force

9th Grade Science

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:

A. hydrogen nuclei to make helium nuclei at its center.B. hydrogen nuclei to make helium nuclei in a shell

surrounding its center.C. helium nuclei to make hydrogen nuclei at its center.D. helium nuclei to make hydrogen nuclei in a shell

surrounding its center.

9th Grade Science

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?A. Algol A and Algol B had the most similar compositions.B. Algol A and Algol C had the most similar compositions.C. Algol B and Algol C had the most similar compositions.D. Algol A, Algol B, and Algol C had the same composition.

9th Grade Science

4. If the mass of the Sun is 2.0 x 1030 kg, what is the mass of Algol C?A. 1.6 x 1030 kgB. 2.0 x 1030 kgC. 3.4 x 1030 kgD. 7.2 x 1030 kg

Now ‘Squad Up’ and replay this PPT. Use the Student Answer/Rationale Sheet.Then exchange your Squad’s answer sheet with that of another squad.Launch the ANSWERS video.

SQU

ADS

ACT Prep Round 2Subject: 9th Grade ScienceAgenda Page 43

CPWWeek 10