Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 302 · 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 turmeric powder for the card-on-a-glass trick? (a) not needed (b) needed
2. 2.True or false: a bicycle pump works by air pressure. (a) True (b) False
3. 3.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is heavier (b) it is magnetic (c) it is hotter (d) it will not break
4. 4.⚖️ 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
5. 5.True or false: a sink or a bucket is not needed for the card-on-a-glass trick. (a) True (b) False
6. 6.⚖️ 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) False (b) True
7. 7.⚖️ 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 keep it the same (b) we change it (c) we measure it
8. 8.⚖️ 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 way we turn it (c) how full the glass is (d) the same glass
9. 9.🧺 Which of these is needed for the card-on-a-glass trick? (a) a sink or a bucket (b) a battery cell (c) turmeric powder (d) a mirror
10. 10.🥛 Which of these works by air pressure? (a) a fridge magnet (b) a magnetic pin holder (c) a bicycle pump (d) a compass needle
11. 11.🥛 Which of these works by air pressure? (a) a magnetic pin holder (b) a fridge magnet (c) a suction hook (d) a compass needle
12. 12.🧺 Do we need a stiff postcard for the card-on-a-glass trick? (a) needed (b) not needed
13. 13.🧺 Do we need a towel for the card-on-a-glass trick? (a) not needed (b) needed
14. 14.🧺 Do we need a mirror for the card-on-a-glass trick? (a) not needed (b) needed
15. 15.🥛 Which of these works by magnetism? (a) a magnetic pin holder (b) a suction hook (c) a drinking straw (d) a vacuum cleaner
16. 16.🔍 Which is the odd one out? (a) a drinking straw (b) a compass needle (c) a magnetic chess set (d) a fridge magnet
17. 17.🥛 Which of these works by magnetism? (a) a suction hook (b) a bicycle pump (c) a magnetic chess set (d) a vacuum cleaner
18. 18.🔍 Which is the odd one out? (a) a fridge magnet (b) a vacuum cleaner (c) a compass needle (d) a magnetic pin holder
19. 19.⚖️ 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 what we measure. (a) True (b) False
20. 20.🧺 Do we need a balloon for the card-on-a-glass trick? (a) needed (b) not needed
21. 21.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) needed (b) not needed
22. 22.🛟 Where should you do the card-and-glass trick? (a) near a plug point (b) over a laptop (c) on a bed (d) over a sink or bucket
23. 23.⚖️ 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 measure it (b) we change it (c) we keep it the same
24. 24.⚖️ 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) True (b) False
25. 25.🥛 Does a medicine dropper work by air pressure or by magnetism? (a) air pressure (b) magnetism
26. 26.⚖️ 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 measure it (b) we change it (c) we keep it the same
27. 27.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a magnet (b) a stiff postcard (c) a sink or a bucket (d) a glass of water
28. 28.True or false: turmeric powder is not needed for the card-on-a-glass trick. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a compass needle (c) a fridge magnet (d) a suction hook
30. 30.⚖️ 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 what we measure. (a) True (b) False
31. 31.True or false: yeast is needed for the card-on-a-glass trick. (a) False (b) True
32. 32.🥛 Which of these works by air pressure? (a) a vacuum cleaner (b) a fridge magnet (c) a magnetic pin holder (d) a magnetic chess set
33. 33.🔮 Predict: you blow up a balloon. What fills it? (a) sand (b) smoke (c) air (d) water
34. 34.🔍 Which is the odd one out? (a) a compass needle (b) a fridge magnet (c) a medicine dropper (d) a magnetic pin holder
35. 35.🥤 Why does juice go up a drinking straw when you sip? (a) the straw is hot (b) air pushes it up (c) juice likes plastic (d) the straw is magnetic
36. 36.🔍 Which is the odd one out? (a) a medicine dropper (b) a drinking straw (c) a bicycle pump (d) a magnetic chess set
37. 37.🥛 Which of these works by air pressure? (a) a compass needle (b) a fridge magnet (c) a medicine dropper (d) a magnetic pin holder
38. 38.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a magnet (b) a stiff postcard (c) a sink or a bucket (d) a glass of water
39. 39.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) yeast (c) a battery cell (d) a towel
40. 40.🥛 Does a vacuum cleaner work by air pressure or by magnetism? (a) air pressure (b) magnetism

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids