Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 937 · 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.🥛 Which of these works by magnetism? (a) a medicine dropper (b) a magnetic pin holder (c) a suction hook (d) a vacuum cleaner
2. 2.🧺 Do we need a magnet for the card-on-a-glass trick? (a) not needed (b) needed
3. 3.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a stiff postcard (b) a glass of water (c) a sink or a bucket (d) a magnet
4. 4.⚖️ 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
5. 5.⚖️ 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) how full the glass is (d) the same glass
6. 6.🥛 Does a drinking straw work by air pressure or by magnetism? (a) magnetism (b) air pressure
7. 7.True or false: a glass of water is needed for the card-on-a-glass trick. (a) False (b) True
8. 8.🧺 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 stiff postcard
9. 9.⚖️ 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) True (b) False
10. 10.⚖️ 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 measure it (b) we change it (c) we keep it the same
11. 11.⚖️ 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) False (b) True
12. 12.True or false: a balloon is not needed for the card-on-a-glass trick. (a) True (b) False
13. 13.True or false: a suction hook works by magnetism. (a) False (b) True
14. 14.⚖️ 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 measure it (b) we change it (c) we keep it the same
15. 15.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a glass of water (b) a towel (c) a mirror (d) a sink or a bucket
16. 16.⚖️ 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) False (b) True
17. 17.🧺 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 glass of water (d) yeast
18. 18.True or false: a mirror is not needed for the card-on-a-glass trick. (a) False (b) True
19. 19.🧺 Which of these is needed for the card-on-a-glass trick? (a) a towel (b) a mirror (c) a battery cell (d) yeast
20. 20.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a battery cell (c) a sink or a bucket (d) a mirror
21. 21.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) not needed (b) needed
22. 22.🥛 Why is it best to fill the glass right to the top? (a) it looks nicer (b) water is heavier (c) little air left inside (d) the card gets wet
23. 23.🧺 Which of these is needed for the card-on-a-glass trick? (a) a magnet (b) turmeric powder (c) a glass of water (d) a mirror
24. 24.⚖️ 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 change it (c) we keep it the same
25. 25.🔮 Predict: you squeeze an empty plastic bottle with its cap screwed on tight. Why is it hard? (a) the bottle is magnetic (b) air inside pushes back (c) water is hiding there (d) the cap is sticky
26. 26.🥛 Does a medicine dropper work by air pressure or by magnetism? (a) air pressure (b) magnetism
27. 27.🥤 Why does juice go up a drinking straw when you sip? (a) the straw is hot (b) juice likes plastic (c) air pushes it up (d) the straw is magnetic
28. 28.🧺 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) turmeric powder (d) a towel
29. 29.🥛 Which of these works by air pressure? (a) a drinking straw (b) a fridge magnet (c) a compass needle (d) a magnetic chess set
30. 30.True or false: a sink or a bucket is needed for the card-on-a-glass trick. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a magnetic chess set (c) a fridge magnet (d) a magnetic pin holder
32. 32.⚖️ 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) how full the glass is (c) the same glass
33. 33.📘 Air presses on everything around us. What is this push called? (a) magnetism (b) air pressure (c) friction (d) sunlight
34. 34.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a drinking straw (c) a bicycle pump (d) a compass needle
35. 35.🛟 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
36. 36.🥛 Does a magnetic pin holder work by air pressure or by magnetism? (a) magnetism (b) air pressure
37. 37.⚖️ 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) how full the glass is (c) the way we turn it
38. 38.🥛 Which of these works by magnetism? (a) a compass needle (b) a suction hook (c) a medicine dropper (d) a drinking straw
39. 39.🥛 Does a vacuum cleaner work by air pressure or by magnetism? (a) magnetism (b) air pressure
40. 40.⚖️ 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

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