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Sample Question of the Day
Short answer📘 MS-PS2-3🧠 DOK 4
Question:
A group of students conducted an experiment to investigate the factors affecting the strength of magnetic forces. They used different types of magnets, varied the distance between the magnets, and changed the material between them. Based on this experiment, design a follow-up experiment that could further explore one of these factors. Describe the steps you would take, the controls you would implement, and how you would ensure the reliability of your results.
✅ Answer:
A follow-up experiment could focus on the effect of distance on the strength of magnetic forces. The steps would include: 1) Select a consistent type of magnet for the experiment. 2) Use a ruler to measure and vary the distance between two magnets at consistent intervals. 3) Use a force sensor to measure the magnetic force at each distance. 4) Repeat each measurement several times to ensure consistency and reliability. 5) Control variables such as the type of magnet, environment, and temperature to maintain consistency. 6) Analyze the data to determine the relationship between distance and magnetic force. This experiment will help isolate the variable of distance and provide reliable data on how it affects magnetic strength.
💡 Explanation:
- This question requires students to apply their understanding of experimental design by creating a detailed plan that considers variables, controls, and reliability.
- It aligns with the standard MS-PS2-3 by asking students to determine a factor affecting magnetic forces and to scientifically explore it through experimentation.
Standard: MS-PS2-3 | DOK: 4