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QR Challenge: Acids and Alkali Revision (plus other topics)

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. What colour would red litmus paper turn when dipped into an alkali?blue
2. What would be the pH of vinegar?5
3. Draw the hazard symbol you might see on a bottle of very strong acid.corrosive
4. What colour would universal indicator turn if added to a strong alkali?purple
5. Explain why using acids can be dangerous.can burn or irritate
6. A wasp sting has a pH of 10, what household substance could you use to neutralise it?lemon juice vinegar
7. What is the name of the reaction between an acid and an alkali?neutralisation
8. When an acid reacts with an alkali what two things are made?salt and water
9. Starting with the testes name the different parts of the male reproductive system that sperm will travel along on their way out of the body.t sd u
10. What occurs half way through the menstrual cycle?o
11. Name two things that only happen to girls during puberty?h b
12. Name two things that happen to both girls and boys during puberty?a ph
13. Draw and label the male and female sex cells?s and e
14. Name two things that pass from the mothers blood to the foetus' blood in the placenta?o n
15. How is the foetus protected from knocks and bumps?af
16. Draw and label an unspecialised plant cell?a
17. Draw the circuit symbols for a switch, cell and bulb.a
18. How do particles in a solid move?v
19. Would your weight change if you were on the moon? if so why?
20. How can we measure forces?nm
21. What is the weight of a 20kg box on Earth?200N
22. What 3 things can forces do to an object? sh si d

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 1 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 2 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 3 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 4 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 5 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

https://www.classtools.net/QR/decode.php?text=A_wasp_sting_has_a_pH_of_10,_what_household_substance_could_you_use_to_neutralise_it?

Question 6 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 7 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 8 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 9 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 10 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 11 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 12 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 13 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_two_things_that_pass_from_the_mothers_blood_to_the_foetus'_blood_in_the_placenta?

Question 14 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 15 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 16 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

https://www.classtools.net/QR/decode.php?text=Draw_the_circuit_symbols_for_a_switch,_cell_and_bulb.

Question 17 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 18 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 19 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

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

Question 20 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_weight_of_a_20kg_box_on_Earth?

Question 21 (of 22)

 


Acids and Alkali Revision (plus other topics): QR Challenge

https://www.classtools.net/QR/decode.php?text=What_3_things_can_forces_do_to_an_object?

Question 22 (of 22)