Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 854 · 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.🧺 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 towel (c) a magnet (d) a glass of water
2. 2.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a magnet (c) a battery cell (d) a stiff postcard
3. 3.⚖️ 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
4. 4.🧺 Do we need yeast for the card-on-a-glass trick? (a) not needed (b) needed
5. 5.⚖️ 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) whether the card stays (b) the same card (c) how full the glass is
6. 6.🥛 Does a fridge magnet work by air pressure or by magnetism? (a) air pressure (b) magnetism
7. 7.🥛 Does a medicine dropper work by air pressure or by magnetism? (a) air pressure (b) magnetism
8. 8.True or false: yeast is not needed for the card-on-a-glass trick. (a) True (b) False
9. 9.⚖️ 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
10. 10.True or false: a vacuum cleaner works by air pressure. (a) True (b) False
11. 11.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is magnetic (b) it is hotter (c) it will not break (d) it is heavier
12. 12.🔍 Which is the odd one out? (a) a compass needle (b) a magnetic chess set (c) a magnetic pin holder (d) a suction hook
13. 13.True or false: a balloon is not needed for the card-on-a-glass trick. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a magnetic pin holder (c) a fridge magnet (d) a compass needle
15. 15.🥛 Which of these works by air pressure? (a) a medicine dropper (b) a magnetic pin holder (c) a magnetic chess set (d) a compass needle
16. 16.🧺 Do we need a mirror for the card-on-a-glass trick? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a towel (b) a stiff postcard (c) turmeric powder (d) a glass of water
18. 18.🥛 Does a vacuum cleaner work by air pressure or by magnetism? (a) air pressure (b) magnetism
19. 19.🛟 Where should you do the card-and-glass trick? (a) on a bed (b) over a laptop (c) over a sink or bucket (d) near a plug point
20. 20.True or false: a balloon is needed for the card-on-a-glass trick. (a) False (b) True
21. 21.⚖️ 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
22. 22.True or false: yeast is needed for the card-on-a-glass trick. (a) False (b) True
23. 23.True or false: a drinking straw works by air pressure. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a magnetic chess set (b) a medicine dropper (c) a magnetic pin holder (d) a fridge magnet
25. 25.⚖️ 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 glass (b) the way we turn it (c) the same card (d) how full the glass is
26. 26.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) not needed (b) needed
27. 27.⚖️ 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 keep it the same (b) we change it (c) we measure it
28. 28.True or false: a suction hook works by magnetism. (a) True (b) False
29. 29.🥛 Which of these works by air pressure? (a) a magnetic pin holder (b) a compass needle (c) a bicycle pump (d) a magnetic chess set
30. 30.🧺 Do we need a glass of water for the card-on-a-glass trick? (a) not needed (b) needed
31. 31.🧺 Do we need a towel for the card-on-a-glass trick? (a) not needed (b) needed
32. 32.🧺 Do we need turmeric powder for the card-on-a-glass trick? (a) not needed (b) needed
33. 33.True or false: turmeric powder is needed for the card-on-a-glass trick. (a) False (b) True
34. 34.🧺 Which of these is needed for the card-on-a-glass trick? (a) a magnet (b) yeast (c) a battery cell (d) a towel
35. 35.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) air pressure (b) magnetism
36. 36.True or false: turmeric powder is not needed for the card-on-a-glass trick. (a) False (b) True
37. 37.🥛 Does a suction hook work by air pressure or by magnetism? (a) magnetism (b) air pressure
38. 38.⚖️ 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 glass (b) whether the card stays (c) how full the glass is
39. 39.True or false: a battery cell is not needed for the card-on-a-glass trick. (a) False (b) True
40. 40.⚖️ 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

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