Using Socrative for Pop Quizzes

Since almost every student owns a smartphone in SIngapore now, it has become possible for us to gather instant feedback or conduct an on-the-spot formative assessment to identify common misconceptions during class time.

A simple true-and-false quiz conducted during my recent lesson on Gravitation, after the lecture series was completed, showed that students are confused about the different treatment between vectors (force and field strength) and scalars (potential and potential energy).

The questions asked, along with the percentage answered correctly, were:

1. If you were sitting half as far from your nearest classmate, the gravitational force of attraction between the two of you would be four times as strong. (81.0% correct)
2. At the midpoint of the distance from the center of the earth to the center of the moon, the gravitational field strength is zero. (90.5% correct)
3. At the midpoint of the distance between two identical masses, the gravitational potential is zero. (23.8% correct)
4. Work done by gravitational force in bringing an object from infinity to the surface of a planet is negative. (38.1% correct)
5. Satellites in a geostationary orbit must move directly above the equator. (52.4% correct)

This quiz was effective in helping students realise that potential cannot cancel out.

I also took the opportunity to explain to the class why the definition of gravitational potential (as well as potential energy) was based on the work done by an external force, rather than work done by gravitational force.

The tool that I used was Socrative and if anyone would like to use my quiz, you can follow the steps below:

1. Create a teacher account (not a student account) at and log in.

2. Click on Manage Quizzes.

3. Select "Import Quiz"

4. Key in the SOC number 12289667

Since you have imported the quiz, you have effectively duplicated the quiz for yourself and are at liberty to edit the questions or even modify the quiz altogether as it does not affect mine.

To conduct the quiz, all you need to do is to go back to the dashboard and click on "Start a Quiz", selecting the quiz you have saved. Follow the rest of the instructions to select the type of quiz you want (whether at students' own pace or at a pace determined by yourself).

Once you have started the quiz, get your students to log in at on their smartphone browsers and key in your Room Number (shown at the top of the screen). You will be able to see the number of students logging in at the top left corner and the attempts of your students in the main area.

socrative physics


If you have any questions regarding the use of Socrative in teaching, feel free to leave a comment below and I'll try to answer it. Have fun!

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