Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 376 · 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? What do we do with “the way we turn it”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🔮 Why do we try the card trick over a sink or a bucket? (a) to make it rain (b) to cool the glass (c) to grow plants (d) to catch any spills
3. 3.🔍 Which is the odd one out? (a) a drinking straw (b) a medicine dropper (c) a vacuum cleaner (d) a magnetic chess set
4. 4.⚖️ 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
5. 5.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: how full the glass is is the one thing we change. (a) True (b) False
6. 6.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a balloon (b) a sink or a bucket (c) a stiff postcard (d) a towel
7. 7.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) yeast (b) a glass of water (c) a sink or a bucket (d) a towel
8. 8.True or false: a mirror is not needed for the card-on-a-glass trick. (a) False (b) True
9. 9.🛟 Where should you do the card-and-glass trick? (a) on a bed (b) over a sink or bucket (c) near a plug point (d) over a laptop
10. 10.True or false: a sink or a bucket is needed for the card-on-a-glass trick. (a) False (b) True
11. 11.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a sink or a bucket (b) a mirror (c) a towel (d) a glass of water
12. 12.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a stiff postcard (b) a glass of water (c) yeast (d) a sink or a bucket
13. 13.🥛 Which of these works by air pressure? (a) a fridge magnet (b) a compass needle (c) a medicine dropper (d) a magnetic pin holder
14. 14.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: whether the card stays is kept the same. (a) True (b) False
15. 15.🥛 Does a vacuum cleaner work by air pressure or by magnetism? (a) air pressure (b) magnetism
16. 16.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a glass of water (b) a sink or a bucket (c) a stiff postcard (d) a magnet
17. 17.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a stiff postcard (b) a battery cell (c) a towel (d) a glass of water
18. 18.True or false: a medicine dropper works by magnetism. (a) False (b) True
19. 19.🧺 Do we need a stiff postcard for the card-on-a-glass trick? (a) needed (b) not needed
20. 20.🧺 Do we need a glass of water for the card-on-a-glass trick? (a) not needed (b) needed
21. 21.🥛 Which of these works by magnetism? (a) a compass needle (b) a vacuum cleaner (c) a medicine dropper (d) a suction hook
22. 22.True or false: a medicine dropper works by air pressure. (a) True (b) False
23. 23.🥛 Which of these works by magnetism? (a) a medicine dropper (b) a suction hook (c) a fridge magnet (d) a vacuum cleaner
24. 24.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a mirror (c) a sink or a bucket (d) a magnet
25. 25.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a sink or a bucket (b) a stiff postcard (c) turmeric powder (d) a towel
27. 27.🔍 You turn the full glass upside down, holding the card, then let go of the card. What happens? (a) the card stays on (b) the water turns to ice (c) the glass breaks (d) the card flies away
28. 28.🥛 Which of these works by air pressure? (a) a fridge magnet (b) a bicycle pump (c) a magnetic pin holder (d) a compass needle
29. 29.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a fridge magnet (c) a magnetic chess set (d) a bicycle pump
30. 30.True or false: a towel is not needed for the card-on-a-glass trick. (a) True (b) False
31. 31.True or false: a balloon is needed for the card-on-a-glass trick. (a) True (b) False
32. 32.🥛 Does a magnetic pin holder work by air pressure or by magnetism? (a) air pressure (b) magnetism
33. 33.🧺 Do we need a balloon for the card-on-a-glass trick? (a) not needed (b) needed
34. 34.True or false: a magnetic pin holder works by magnetism. (a) False (b) True
35. 35.🥛 Does a suction hook work by air pressure or by magnetism? (a) magnetism (b) air pressure
36. 36.🧺 Which of these is needed for the card-on-a-glass trick? (a) a magnet (b) turmeric powder (c) a balloon (d) a towel
37. 37.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is hotter (b) it will not break (c) it is heavier (d) it is magnetic
38. 38.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a stiff postcard (c) a magnet (d) yeast
39. 39.🧺 Do we need yeast for the card-on-a-glass trick? (a) not needed (b) needed
40. 40.True or false: a magnetic chess set works by air pressure. (a) False (b) True

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