Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 282 · 40 questions

What you do (Air pushes): 1. Fill a plastic glass right to the top with water. 2. Lay the postcard flat on top, covering the rim. 3. Over a sink or bucket, hold the card and turn the glass upside down. 4. Slowly take your hand away from the card and watch.

1. 1.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? Which of these is the one thing we change? (a) whether the card stays (b) the way we turn it (c) the same glass (d) how full the glass is
2. 2.🥛 Does a compass needle work by air pressure or by magnetism? (a) magnetism (b) air pressure
3. 3.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a battery cell (b) a glass of water (c) a sink or a bucket (d) a stiff postcard
4. 4.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a towel (b) a sink or a bucket (c) a balloon (d) a glass of water
5. 5.🧺 Do we need a magnet for the card-on-a-glass trick? (a) not needed (b) needed
6. 6.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is hotter (b) it is magnetic (c) it will not break (d) it is heavier
7. 7.🛟 Where should you do the card-and-glass trick? (a) near a plug point (b) on a bed (c) over a laptop (d) over a sink or bucket
8. 8.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? What do we do with “the way we turn it”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a stiff postcard (b) a towel (c) a magnet (d) a sink or a bucket
10. 10.🔍 Which is the odd one out? (a) a magnetic chess set (b) a drinking straw (c) a magnetic pin holder (d) a fridge magnet
11. 11.🥛 Which of these works by air pressure? (a) a compass needle (b) a drinking straw (c) a fridge magnet (d) a magnetic chess set
12. 12.🥛 Which of these works by magnetism? (a) a medicine dropper (b) a magnetic chess set (c) a drinking straw (d) a vacuum cleaner
13. 13.🔍 Which is the odd one out? (a) a bicycle pump (b) a fridge magnet (c) a compass needle (d) a magnetic pin holder
14. 14.🥛 Which of these works by air pressure? (a) a vacuum cleaner (b) a magnetic chess set (c) a compass needle (d) a fridge magnet
15. 15.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the way we turn it is kept the same. (a) True (b) False
16. 16.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? What do we do with “whether the card stays”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🥛 Which of these works by magnetism? (a) a vacuum cleaner (b) a suction hook (c) a drinking straw (d) a compass needle
18. 18.🧺 Do we need turmeric powder for the card-on-a-glass trick? (a) not needed (b) needed
19. 19.True or false: a battery cell is needed for the card-on-a-glass trick. (a) True (b) False
20. 20.True or false: turmeric powder is needed for the card-on-a-glass trick. (a) True (b) False
21. 21.🧺 Which of these is needed for the card-on-a-glass trick? (a) a battery cell (b) a stiff postcard (c) a balloon (d) turmeric powder
22. 22.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same glass is the one thing we change. (a) False (b) True
23. 23.🧺 Do we need a balloon for the card-on-a-glass trick? (a) not needed (b) needed
24. 24.True or false: a balloon is needed for the card-on-a-glass trick. (a) True (b) False
25. 25.True or false: a vacuum cleaner works by magnetism. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a suction hook (b) a magnetic chess set (c) a fridge magnet (d) a magnetic pin holder
27. 27.🥛 What holds the card up against the upside-down glass? (a) glue on the card (b) the cold water (c) a magnet (d) air pushing up
28. 28.🧺 Which of these is needed for the card-on-a-glass trick? (a) yeast (b) a battery cell (c) a towel (d) a magnet
29. 29.🥛 Which of these works by air pressure? (a) a medicine dropper (b) a compass needle (c) a fridge magnet (d) a magnetic pin holder
30. 30.🧺 Do we need a stiff postcard for the card-on-a-glass trick? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) a magnetic chess set (b) a medicine dropper (c) a drinking straw (d) a bicycle pump
32. 32.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same card is the one thing we change. (a) True (b) False
33. 33.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? Which of these is kept the same? (a) the same card (b) whether the card stays (c) how full the glass is
34. 34.True or false: yeast is not needed for the card-on-a-glass trick. (a) False (b) True
35. 35.🥛 Does a suction hook work by air pressure or by magnetism? (a) magnetism (b) air pressure
36. 36.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? What do we do with “the same card”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? Which of these is what we measure? (a) whether the card stays (b) the same card (c) how full the glass is (d) the way we turn it
38. 38.True or false: turmeric powder is not needed for the card-on-a-glass trick. (a) False (b) True
39. 39.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same glass is kept the same. (a) False (b) True
40. 40.🥛 Which of these works by magnetism? (a) a magnetic pin holder (b) a bicycle pump (c) a drinking straw (d) a suction hook

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