Reflection: Checks for Understanding Household Circuits - Section 4: Closing Quiz on Circuits


When it is time to review the quiz, Socrative has a nice feature that allows me to download a MS-Excel report, Circuit Summary - Data, that shows how all students scored on individual questions. I use these results to assess student understanding on circuits and in the next lesson use Small Group Instruction to help struggling students. I can also download and print individual student quiz results and give them to students for their own review.

For this quiz, I noticed four problems where more than 25% of the class answered it wrong. Those questions are below along with how I will adjust to this information. 

2. What is defined as the potential difference between two points on a circuit?

This is a simple definition question, however, over 40% of the class chose the wrong answer for this, so it is clear to me that we should revisit definitions as a class. 

3. What is Ohm's Law?

The problem here is algebra. Many students chose the V=IR answer but failed to recognize that the other answers are the same, just solved for different quantities. I will review this idea with the students who missed it.

7. A circuit has to much current flowing through it and the voltage is fixed. What can be done to reduce the current?

This is a bad question that should be changed or elliminated. The answer of "add a resistor" is correct only for series circuits. In a parallel circuit, one would want to remove a resistor to reduce the current. I will award all students +1 point for this bad question and change it for future classes.

11. In a parallel circuit the total resistance is

This is a basic rule of parallel circuits and students should know this. I will pull aside the few who got this wrong for some small group instruction. 

  Checks for Understanding: Student Understanding
Loading resource...

Household Circuits

Unit 4: Electrostatics and Circuits
Lesson 12 of 16

Objective: Students provide evidence for which type of circuit (parallel or series), is found in the wiring of their house.

Big Idea: In a series circuit, the current remains constant and voltage-drops add together and in a parallel circuit the current adds and voltage-drops are constant.

  Print Lesson
1 teacher likes this lesson
Similar Lessons
Enhancing Our Model of Work
High School Physics » Electrostatics
Big Idea: Estimations are important, necessary, and can be improved.
Woodstock, VT
Environment: Rural
Timothy Brennan
Drifting Into Current
High School Physics » Electrostatics & Electricity
Big Idea: Students discover the definitions of current and drift speed in a reading exploration activity.
Scottsdale, AZ
Environment: Suburban
Sara Leins
Critical Editorial Analysis: Is Overpopulation a Problem?
High School Science » Populations
Big Idea: Editorials are only as effective as the evidence provided to support their claims. Sometimes editorials that seem to be on opposite sides of an issue are actually in fundamental agreement.
Los Angeles, CA
Environment: Urban
Taylor Wichmanowski
Something went wrong. See details for more info
Nothing to upload