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QR Challenge: Gravity AN

Created using the ClassTools QR Treasure Hunt Generator

Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!


4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)



1. 1. What are some examples that we've discussed about how gravity influences objects? The force of Gravity makes objects fall to it's surface and keeps it from floating away. Earth gravity keeps Objects, such as satellites and the moon in orbit, the sun's gravity keeps Earth and other planets in Orbit; the moon has less mass than Earth, so the gravity on the moon is not as strong.
2. 2. What affects Gravity? Distance, and mass
3. 3. What factors affect gravitational attraction? The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.
4. 4. What do people mean by the phrase defying gravity? That something seems as though it can fly and that it does not seem as if it is going to fall down.
5. 5. Can mass and weight be used interchangeably? No mass always stays the same (grams), while weight is determined by gravity
6. 6. What would happen to the moon and other objects that orbit Earth if gravity suddenly disappeared? Earth's gravitational force would not influence them anymore, so these objects would no longer orbits Earth's position. They might continue to obit the sun.


Gravity AN: QR Challenge

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