Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 468 · 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.🧺 Do we need a balloon for the card-on-a-glass trick? (a) not needed (b) needed
2. 2.🥛 Which of these works by magnetism? (a) a suction hook (b) a magnetic chess set (c) a drinking straw (d) a bicycle pump
3. 3.True or false: a towel is not needed for the card-on-a-glass trick. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a suction hook (c) a bicycle pump (d) a fridge magnet
5. 5.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same card is kept the same. (a) True (b) False
6. 6.🥛 Does a suction hook work by air pressure or by magnetism? (a) air pressure (b) magnetism
7. 7.⚖️ 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) the same card (b) whether the card stays (c) the way we turn it (d) how full the glass is
8. 8.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a glass of water (b) a stiff postcard (c) yeast (d) a sink or a bucket
9. 9.🧺 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) turmeric powder
10. 10.📘 Air presses on everything around us. What is this push called? (a) magnetism (b) sunlight (c) air pressure (d) friction
11. 11.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a sink or a bucket (b) a glass of water (c) a stiff postcard (d) a magnet
12. 12.⚖️ 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) how full the glass is (b) the same glass (c) whether the card stays
13. 13.🥛 Which of these works by magnetism? (a) a vacuum cleaner (b) a drinking straw (c) a suction hook (d) a fridge magnet
14. 14.True or false: a towel is needed for the card-on-a-glass trick. (a) True (b) False
15. 15.🧺 Which of these is needed for the card-on-a-glass trick? (a) yeast (b) a balloon (c) a stiff postcard (d) a mirror
16. 16.🧺 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) yeast (d) a stiff postcard
17. 17.🔍 Which is the odd one out? (a) a fridge magnet (b) a bicycle pump (c) a compass needle (d) a magnetic chess set
18. 18.🔍 Which is the odd one out? (a) a suction hook (b) a drinking straw (c) a magnetic chess set (d) a medicine dropper
19. 19.🥛 Which of these works by magnetism? (a) a drinking straw (b) a medicine dropper (c) a suction hook (d) a magnetic pin holder
20. 20.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a sink or a bucket (b) a towel (c) a balloon (d) a glass of water
21. 21.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) needed (b) not needed
22. 22.🔮 Why do we try the card trick over a sink or a bucket? (a) to make it rain (b) to grow plants (c) to catch any spills (d) to cool the glass
23. 23.True or false: a sink or a bucket is not needed for the card-on-a-glass trick. (a) True (b) False
24. 24.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a battery cell (b) a towel (c) a sink or a bucket (d) a glass of water
25. 25.True or false: a stiff postcard is not needed for the card-on-a-glass trick. (a) False (b) True
26. 26.🛟 Where should you do the card-and-glass trick? (a) over a laptop (b) on a bed (c) over a sink or bucket (d) near a plug point
27. 27.⚖️ 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 measure it (c) we change it
28. 28.🧺 Which of these is needed for the card-on-a-glass trick? (a) a glass of water (b) yeast (c) a magnet (d) a battery cell
29. 29.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? What do we do with “how full the glass is”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.⚖️ 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) how full the glass is (c) the same card (d) the same glass
31. 31.⚖️ 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
32. 32.True or false: a sink or a bucket is needed for the card-on-a-glass trick. (a) False (b) True
33. 33.True or false: a fridge magnet works by magnetism. (a) True (b) False
34. 34.🥛 What holds the card up against the upside-down glass? (a) air pushing up (b) glue on the card (c) the cold water (d) a magnet
35. 35.🔍 Which is the odd one out? (a) a suction hook (b) a magnetic pin holder (c) a magnetic chess set (d) a compass needle
36. 36.🧺 Do we need a battery cell for the card-on-a-glass trick? (a) needed (b) not needed
37. 37.⚖️ 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) False (b) True
38. 38.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) air pressure (b) magnetism
39. 39.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a magnetic pin holder (c) a magnetic chess set (d) a compass needle
40. 40.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a compass needle (c) a magnetic chess set (d) a drinking straw

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