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Graded assignment lab report levers and pulleys

28/04/2021 Client: muhammad11 Deadline: 2 Day

Graded Assignment Name: Physical Science Foundations (Sem1) | Work | Lessons 4, 5, 6, and 7 Date: Graded Assignment—Physical Science Foundations, Unit 6, Lessons 4, 5, 6, and 7 Lab Report: Levers and Pulleys Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. Note: You will not submit this Lab Report to your teacher until you have completed both labs, Levers and Pulleys. (3 points) 1. Write the goal of the labs on levers and pulleys or the question you tried to answer. Score Answer: (3 points) 2. Which observations, experiences, or lesson materials helped you form a hypothesis? Score Answer: (3 points) 3. State your hypothesis. Score Answer: © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. Page 1 of 2 Graded Assignment Physical Science Foundations (Sem1) | Work | Lessons 4, 5, 6, and 7 (6 points) 4. Use the data from the lab on levers to complete this data table. Score Answer: Effort Force (N) Arm Length (cm) 25 20 15 10 5 Work (N x cm) Resistance Force Arm Length (N) (cm) 2 5 2 10 2 15 2 20 2 25 Work (N x cm) (6 points) 5. Use the data from the lab on pulleys to complete this data table. Score Answer: Pulley System Distance String Pulled (cm) Effort Force (N) Work (N x cm) Distance Mass Lifted (cm) Resistance Force Work (N) (N x cm) (3 points) 6. Compare your data with your hypothesis. Explain how the data supports or does not support your hypothesis. If your data does not support your hypothesis, use the data you collected to answer the original question. Score Answer: Your Score © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. ___ of 24 Page 2 of 2 Graded Assignment Name: Physical Science Foundations (Sem1) | Waves | Lessons 5 and 6 Date: Graded Assignment—Physical Science Foundations, Unit 7, Lessons 5 and 6 Lab Report: Waves Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. (3 points) 1. Write the goal of the lab or the question you tried to answer. Score Answer: (3 points) 2. Which observations, experiences, or lesson materials helped you form your hypothesis? Score Answer: (3 points) 3. State your hypothesis. Score Answer: © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. Page 1 of 4 Graded Assignment Physical Science Foundations (Sem1) | Waves | Lessons 5 and 6 (6 points) 4. Use the data from your experiment to complete this data table. Provide data for at least five trials (complete the experiment at least five times, using a shorter length of string each time). Use the following formulas to help you complete the table: • Time for 1 Wave Trip (s) = Time for 10 Wave Trips (s) / 10 • Wave Speed (m/s) = String Length (m) / Time for 1 Wave Trip (s) Score Answer: String Length (m) Time for 10 Wave Trips (s) © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. Time for 1 Wave Trip (s) Wave Speed (m/s) Page 2 of 4 Graded Assignment Physical Science Foundations (Sem1) | Waves | Lessons 5 and 6 (6 points) 5. Graph your data: a. Determine the values for the y-axis based on your string length data. b. Plot String Length (m) against Time for 1 Wave Trip (s). Score Answer: 125 Time for 1 wave trip (s) 100 75 50 25 0 0 10 20 30 40 50 String length (m) © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. Page 3 of 4 Graded Assignment Physical Science Foundations (Sem1) | Waves | Lessons 5 and 6 (3 points) 6. According to your graph, does the wave speed change with string length? Score Answer: (3 points) 7. Does your data agree with your hypotheses? Explain. Score Answer: Your Score © 2007 K12 Inc. All rights reserved Copying or distributing without K12’s written consent is prohibited. ___ of 27 Page 4 of 4 ...

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