Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 841 · 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.True or false: a glass of water is not needed for the card-on-a-glass trick. (a) True (b) False
2. 2.🧺 Do we need yeast for the card-on-a-glass trick? (a) not needed (b) needed
3. 3.🛟 Where should you do the card-and-glass trick? (a) near a plug point (b) over a sink or bucket (c) on a bed (d) over a laptop
4. 4.🔮 Why do we try the card trick over a sink or a bucket? (a) to catch any spills (b) to grow plants (c) to make it rain (d) to cool the glass
5. 5.🔮 Predict: you blow up a balloon. What fills it? (a) water (b) sand (c) air (d) smoke
6. 6.🥛 Which of these works by air pressure? (a) a magnetic chess set (b) a bicycle pump (c) a compass needle (d) a fridge magnet
7. 7.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) turmeric powder (b) a stiff postcard (c) a towel (d) a sink or a bucket
8. 8.🥛 Which of these works by magnetism? (a) a bicycle pump (b) a vacuum cleaner (c) a drinking straw (d) a magnetic pin holder
9. 9.⚖️ 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) whether the card stays (c) how full the glass is (d) the way we turn it
10. 10.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) not needed (b) needed
11. 11.🧺 Which of these is needed for the card-on-a-glass trick? (a) yeast (b) a magnet (c) a battery cell (d) a towel
12. 12.🧺 Do we need a towel for the card-on-a-glass trick? (a) not needed (b) needed
13. 13.True or false: a sink or a bucket is needed for the card-on-a-glass trick. (a) True (b) False
14. 14.🥛 Which of these works by magnetism? (a) a drinking straw (b) a bicycle pump (c) a vacuum cleaner (d) a compass needle
15. 15.🥛 Does a compass needle work by air pressure or by magnetism? (a) magnetism (b) air pressure
16. 16.🧺 Do we need a magnet for the card-on-a-glass trick? (a) not needed (b) needed
17. 17.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) air pressure (b) magnetism
18. 18.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a glass of water (b) a sink or a bucket (c) a magnet (d) a stiff postcard
19. 19.🥛 Which of these works by air pressure? (a) a drinking straw (b) a fridge magnet (c) a compass needle (d) a magnetic pin holder
20. 20.⚖️ 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 kept the same. (a) False (b) True
21. 21.🥛 Does a drinking straw work by air pressure or by magnetism? (a) air pressure (b) magnetism
22. 22.🔍 Which is the odd one out? (a) a fridge magnet (b) a compass needle (c) a magnetic pin holder (d) a drinking straw
23. 23.True or false: a vacuum cleaner works by magnetism. (a) True (b) False
24. 24.⚖️ 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) the same card (b) whether the card stays (c) the way we turn it (d) how full the glass is
25. 25.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a magnet (b) a towel (c) a sink or a bucket (d) a glass of water
26. 26.🔮 Predict: you squeeze an empty plastic bottle with its cap screwed on tight. Why is it hard? (a) air inside pushes back (b) the bottle is magnetic (c) water is hiding there (d) the cap is sticky
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 same glass”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.🧺 Do we need a battery cell for the card-on-a-glass trick? (a) not needed (b) needed
29. 29.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a magnet (c) a balloon (d) a glass of water
30. 30.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a towel (b) a mirror (c) a glass of water (d) a sink or a bucket
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.🥛 Which of these works by air pressure? (a) a magnetic pin holder (b) a fridge magnet (c) a magnetic chess set (d) a suction hook
34. 34.📘 Air presses on everything around us. What is this push called? (a) sunlight (b) magnetism (c) air pressure (d) friction
35. 35.🥛 Does a fridge magnet 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? True or false: the way we turn it is what we measure. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a bicycle pump (b) a fridge magnet (c) a suction hook (d) a medicine dropper
38. 38.🥛 Which of these works by air pressure? (a) a medicine dropper (b) a magnetic pin holder (c) a fridge magnet (d) a compass needle
39. 39.🧺 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 stiff postcard (d) a balloon
40. 40.🥤 Why does juice go up a drinking straw when you sip? (a) air pushes it up (b) the straw is magnetic (c) the straw is hot (d) juice likes plastic

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