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QR Challenge: What Happens When A Volcano Erupts?

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!


C. TIPS / OTHER IDEAS

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)

Question

Answer

1. Well Done! You found QR Code (1/7)- Part One: If we traveled hundreds of miles under the Earth's surface then we would find the Earth's core. What is the Earth core? The Earth's core is where the adventure of the volcano begins!
2. Well Done! You found QR Code (2/7)- Part One continued: The liquid rock from the Earth's core is called magma! This magma can rise up from the core towards the surface of the Earth through cracks or weaknesses in the Earth's crust. How think do you think the crust of the Earth is?
3. Well Done! You found QR Code (3/7)- Part Two: The magma that has risen to the surface can forms chambers under mountains. These chambers will normally be blocked off at the top so the magma cannot escape. However, it doesn't always stay like that for long...What do you think happens next?
4. Well Done! You found QR Code (4/7) - Part Two continued: Within the chamber, pressure starts to build because of all the heat and gases which are trapped. Imagine it like a coke bottom that has been shaken up. After a while, the pressure will get too much and the seal of the chamber can break! What do you think happens then?
5. Well Done! You found QR Code (5/7)- Part Two continued: Just like the shaken up coke bottle, when the seal is broken all the pressure forces the scorching hot magma up through the vent of the volcano and out of the top! This is what causes the explosion! What other effects might there be apart from the explosion?
6. Well Done! You found QR Code (6/7) - Part Three: Now that the magma has left the volcano it is called lava. The lava might explode from the top of the volcano and hurtle violently in the air, or it might stream down the side of the volcano like a river! What might be dangerous about both types of eruptions?
7. Well Done! You found QR Code (7/7) - Part Three continued: The hot, burning lava will eventually cool down and becomes solid rock again. The rock can form a new crust on the volcano and after many years you may not even realise that an eruption has happened! How do you think a volcanic eruption might effect the people and environment around it? CONGRATULATIONS! You have found all of the QR Codes!

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q1/7:

Well Done! You found QR Code (1/7)- Part One: If we traveled hundreds of miles under the Earth's surface then we would find the Earth's core. What is the Earth core? The Earth's core is where the adventure of the volcano begins!&choe=UTF-8

Question 1 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q2/7:

Well Done! You found QR Code (2/7)- Part One continued: The liquid rock from the Earth's core is called magma! This magma can rise up from the core towards the surface of the Earth through cracks or weaknesses in the Earth's crust. How think do you think the crust of the Earth is?&choe=UTF-8

Question 2 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q3/7:

Well Done! You found QR Code (3/7)- Part Two: The magma that has risen to the surface can forms chambers under mountains. These chambers will normally be blocked off at the top so the magma cannot escape. However, it doesn't always stay like that for long...What do you think happens next?&choe=UTF-8

Question 3 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q4/7:

Well Done! You found QR Code (4/7) - Part Two continued: Within the chamber, pressure starts to build because of all the heat and gases which are trapped. Imagine it like a coke bottom that has been shaken up. After a while, the pressure will get too much and the seal of the chamber can break! What do you think happens then?&choe=UTF-8

Question 4 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q5/7:

Well Done! You found QR Code (5/7)- Part Two continued: Just like the shaken up coke bottle, when the seal is broken all the pressure forces the scorching hot magma up through the vent of the volcano and out of the top! This is what causes the explosion! What other effects might there be apart from the explosion?&choe=UTF-8

Question 5 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q6/7:

Well Done! You found QR Code (6/7) - Part Three: Now that the magma has left the volcano it is called lava. The lava might explode from the top of the volcano and hurtle violently in the air, or it might stream down the side of the volcano like a river! What might be dangerous about both types of eruptions?&choe=UTF-8

Question 6 (of 7)

 



What Happens When A Volcano Erupts?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What Happens When A Volcano Erupts?
Q7/7:

Well Done! You found QR Code (7/7) - Part Three continued: The hot, burning lava will eventually cool down and becomes solid rock again. The rock can form a new crust on the volcano and after many years you may not even realise that an eruption has happened! How do you think a volcanic eruption might effect the people and environment around it? CONGRATULATIONS! You have found all of the QR Codes!&choe=UTF-8

Question 7 (of 7)