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QR Challenge: Chemistry EOQ Review

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. What is the electrical charge of an electronnegative
2. Where is the nucleus of an atomthe center
3. What is the Atomic Number of oxygen8
4. What is formed when two or more elements chemically combinecompound
5. The smallest unit of matterthe atom
6. Which sub group of elements are found on the left side of the Periodic Tablemetals
7. What does the atomic mass tell younumber of protons and neutrons in nucleus
8. A combination of different elements and/or compounds not chemically combinedmixture
9. This tells you the number of atoms of each element that make up a compoundChemical Formula
10. Matter cannot be created or destroyed in a chemical reactionLaw of Conservation of Mass/Matter
11. These elements are mostly gases at room temp., do not conduct electricity, and have low boiling pointsNon metals
12. Anything that has a mass and volumematter
13. A balanced chemical equation2 H2 + O2 > 2 H2O
14. Properties that can be measured or observed without changing the substancephysical properties
15. The chemical symbol for IronFe
16. The elements on the Periodic Table are arranged in order ofatomic number
17. The element found in Group 17, Period 3 of the Periodic TableChlorine
18. The number of neutrons in a typical Neon atom10
19. The left side of the arrow in a chemical reaction equationReactants
20. The first energy level of an atom can hold what max number of electrons2
21. How many electron energy levels does an atom of Mercury have6
22. These properties describe how easily an element combines with other elementschemical properties
23. The ability of an element to transfer heat and/or electricity conductivity
24. The temperature that a substance changes from a solid to a liquidmelting point
25. The number of valence electrons surrounding an atom of Boron3
26. These have a definite composition that does not varypure substance
27. A measure of how shiny a substance isluster

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_electrical_charge_of_an_electron

Question 1 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Where_is_the_nucleus_of_an_atom

Question 2 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_Atomic_Number_of_oxygen

Question 3 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_formed_when_two_or_more_elements_chemically_combine

Question 4 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_smallest_unit_of_matter

Question 5 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_sub_group_of_elements_are_found_on_the_left_side_of_the_Periodic_Table

Question 6 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_does_the_atomic_mass_tell_you

Question 7 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_combination_of_different_elements_and/or_compounds_not_chemically_combined

Question 8 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=This_tells_you_the_number_of_atoms_of_each_element_that_make_up_a_compound

Question 9 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Matter_cannot_be_created_or_destroyed_in_a_chemical_reaction

Question 10 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=These_elements_are_mostly_gases_at_room_temp.,_do_not_conduct_electricity,_and_have_low_boiling_points

Question 11 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Anything_that_has_a_mass_and_volume

Question 12 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_balanced_chemical_equation

Question 13 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties_that_can_be_measured_or_observed_without_changing_the_substance

Question 14 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_chemical_symbol_for_Iron

Question 15 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_elements_on_the_Periodic_Table_are_arranged_in_order_of

Question 16 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_element_found_in_Group_17,_Period_3_of_the_Periodic_Table

Question 17 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_number_of_neutrons_in_a_typical_Neon_atom

Question 18 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_left_side_of_the_arrow_in_a_chemical_reaction_equation

Question 19 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_first_energy_level_of_an_atom_can_hold_what_max_number_of_electrons

Question 20 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_electron_energy_levels_does_an_atom_of_Mercury_have

Question 21 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=These_properties_describe_how_easily_an_element_combines_with_other_elements

Question 22 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_ability_of_an_element_to_transfer_heat_and/or_electricity

Question 23 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_temperature_that_a_substance_changes_from_a_solid_to_a_liquid

Question 24 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_number_of_valence_electrons_surrounding_an_atom_of_Boron

Question 25 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=These_have_a_definite_composition_that_does_not_vary

Question 26 (of 27)

 



Chemistry EOQ Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_measure_of_how_shiny_a_substance_is

Question 27 (of 27)