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QR Challenge: History of Earth

Created using the ClassTools QR Treasure Hunt Generator

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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. Why would geologists use eras and periods (instead of days, months, and years) to divide geological time into huge chunks?There are far too many events that have happened in millions and billions of years to list them by dates.
2. Describe the environment that became Muav Limestone.Ocean-like environment where sea creatures once lived.
3. Approximately, how old is the oldest rock layer in the Grand Canyon?550 million years old
4. How old is the Earth?4.6 billion years old
5. Name three kinds of sedimentary rock. Sandstone, Limestone, Shale
6. What is the name of the youngest rock layer in the Grand Canyon?Kaibab Limestone
7. How do Earth's materials get carried and stored in nature?Erosion, Weathering due to wind, water,and ice, deposition
8. A pure substance that have distinct properties to help identify them are called ___________.minerals
9. The process by which rocks are weathered due to reactions with substances in water and air is called ___________________.chemical weathering
10. The idea that rock layers get older that closer they are to the bottom of a column of sedimentary rock is called ___________________.superposition
11. The way things happen today is the way things will happen in the future is called ____________.uniformitarianism
12. A scientist who studies fossils is called a __________________.paleontologist
13. The Era that we exist in is called the _______________ Era.Cenozoic
14. Subdivided eras into smaller amounts of time are called __________.periods.
15. In what period did the youngest Grand Canyon rock layer form?Permian
16. In what period did the oldest Grand Canyon rock layer form?Cambrian
17. Fossils that existed over a relatively short period of time and are located in many places around the world are called __________________.Index Fossils
18. You find a piece of limestone on a hike. What substances are likely to have formed that rock?calcite
19. You find a piece of shale on a hike. What substances are likely to have formed that rock?silt and clay
20. Eras and periods are not equal lengths of time becausethey are based in significant evolutionary events in Earth's history.
21. Give two reasons why an organism that lived in ancient times may never have been discovered in a fossil.The organism may have decomposed or been eaten before becoming a fossil, or it may have been apart of a rock that had been eroded away, or maybe it hasn't been found yet
22. A ________________ is a large, nearly level area of land that is higher than the surrounding area,plateau
23. When geologists work to find a relationship or connection between rock layers from two or more locations, we say that they are __________________ these rock layers (or matching them up).correlating
24. Abrasion and ice wedging are forms of ________________ weathering.physical
25. Sand, clay, silt, and pebbles are all kinds of _______________.sediments
26. What's a good way to determine if a rock is made of limestone?add acid to it to see if it fizzes
27. Describe the ancient environment that produced shale.It formed in a moist, muddy, swamp environment that allowed fine particles to settle and form shale.
28. Geologists use the ______________scale to classify rocks based on their sizes.Wentworth
29. A fan shaped deposit of sediment where a river empties into a larger body of water is called a ______.delta
30. A natural depression on Earth's surface where water and sediments collect is called a __________.basin

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why-would-geologists-use-eras-and-periods-(instead-of-days,-months,-and-years)-to-divide-geological-time-into-huge-chunks?

Question 1 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe-the-environment-that-became-Muav-Limestone.

Question 2 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Approximately,-how-old-is-the-oldest-rock-layer-in-the-Grand-Canyon?

Question 3 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-old-is-the-Earth?

Question 4 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Name-three-kinds-of-sedimentary-rock.

Question 5 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-name-of-the-youngest-rock-layer-in-the-Grand-Canyon?

Question 6 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-do-Earth's-materials-get-carried-and-stored-in-nature?

Question 7 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-pure-substance-that-have-distinct-properties-to-help-identify-them-are-called-___________.

Question 8 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-process-by-which-rocks-are-weathered-due-to-reactions-with-substances-in-water-and-air-is-called-___________________.

Question 9 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-idea-that-rock-layers-get-older-that-closer-they-are-to-the-bottom-of-a-column-of-sedimentary-rock-is-called-___________________.

Question 10 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-way-things-happen-today-is-the-way-things-will-happen-in-the-future-is-called-____________.

Question 11 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-scientist-who-studies-fossils-is-called-a-__________________.

Question 12 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-Era-that-we-exist-in-is-called-the-_______________-Era.

Question 13 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Subdivided-eras-into-smaller-amounts-of-time-are-called-__________.

Question 14 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=In-what-period-did-the-youngest-Grand-Canyon-rock-layer-form?

Question 15 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=In-what-period-did-the-oldest-Grand-Canyon-rock-layer-form?

Question 16 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fossils-that-existed-over-a-relatively-short-period-of-time-and-are-located-in-many-places-around-the-world-are-called-__________________.

Question 17 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-find-a-piece-of-limestone-on-a-hike.--What-substances-are-likely-to-have-formed-that-rock?

Question 18 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-find-a-piece-of-shale-on-a-hike.--What-substances-are-likely-to-have-formed-that-rock?

Question 19 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Eras-and-periods-are-not-equal-lengths-of-time-because

Question 20 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Give-two-reasons-why-an-organism-that-lived-in-ancient-times-may-never-have-been-discovered-in-a-fossil.

Question 21 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-________________-is-a-large,-nearly-level-area-of-land-that-is-higher-than-the-surrounding-area,

Question 22 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=When-geologists-work-to-find-a-relationship-or-connection-between-rock-layers-from-two-or-more-locations,-we-say-that-they-are-__________________-these-rock-layers-(or-matching-them-up).

Question 23 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Abrasion-and-ice-wedging-are-forms-of-________________-weathering.

Question 24 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Sand,-clay,-silt,-and-pebbles-are-all-kinds-of-_______________.

Question 25 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=What's-a-good-way-to-determine-if-a-rock-is-made-of-limestone?

Question 26 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe-the-ancient-environment-that-produced-shale.

Question 27 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=Geologists-use-the-______________scale-to--classify-rocks-based-on-their-sizes.

Question 28 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-fan-shaped-deposit-of-sediment-where-a-river-empties-into-a-larger-body-of-water-is-called-a-______.

Question 29 (of 30)

 


History of Earth: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-natural-depression-on-Earth's-surface-where-water-and-sediments-collect-is-called-a-__________.

Question 30 (of 30)