Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 754 · 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.⚖️ 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 way we turn it (b) how full the glass is (c) whether the card stays (d) the same card
2. 2.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a drinking straw (c) a fridge magnet (d) a medicine dropper
3. 3.🥛 Does a vacuum cleaner work by air pressure or by magnetism? (a) air pressure (b) magnetism
4. 4.True or false: turmeric powder is needed for the card-on-a-glass trick. (a) True (b) False
5. 5.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) magnetism (b) air pressure
6. 6.🥛 Does a suction hook work by air pressure or by magnetism? (a) magnetism (b) air pressure
7. 7.🥛 Why is it best to fill the glass right to the top? (a) the card gets wet (b) water is heavier (c) it looks nicer (d) little air left inside
8. 8.🥛 Which of these works by air pressure? (a) a compass needle (b) a magnetic pin holder (c) a drinking straw (d) a fridge magnet
9. 9.📘 Air presses on everything around us. What is this push called? (a) magnetism (b) air pressure (c) sunlight (d) friction
10. 10.🧺 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) yeast
11. 11.True or false: a sink or a bucket is needed for the card-on-a-glass trick. (a) False (b) True
12. 12.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a balloon (b) a glass of water (c) a stiff postcard (d) a towel
13. 13.🥛 Which of these works by air pressure? (a) a bicycle pump (b) a fridge magnet (c) a magnetic chess set (d) a magnetic pin holder
14. 14.🥛 Does a drinking straw work by air pressure or by magnetism? (a) magnetism (b) air pressure
15. 15.True or false: a magnetic chess set works by air pressure. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a vacuum cleaner (b) a bicycle pump (c) a medicine dropper (d) a compass needle
17. 17.🧺 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) turmeric powder (d) a stiff postcard
18. 18.⚖️ 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) True (b) False
19. 19.🧺 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 stiff postcard (c) a mirror (d) a towel
20. 20.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) not needed (b) needed
21. 21.🥛 Does a magnetic chess set work by air pressure or by magnetism? (a) air pressure (b) magnetism
22. 22.🥤 Why does juice go up a drinking straw when you sip? (a) the straw is magnetic (b) the straw is hot (c) air pushes it up (d) juice likes plastic
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 keep it the same (c) we change it
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.🧺 Do we need a towel for the card-on-a-glass trick? (a) not needed (b) needed
29. 29.True or false: a bicycle pump works by air pressure. (a) True (b) False
30. 30.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same card is what we measure. (a) True (b) False
31. 31.True or false: a vacuum cleaner works by magnetism. (a) True (b) False
32. 32.🛟 Why is a plastic cup safer than a glass for small children here? (a) it will not break (b) it is heavier (c) it is hotter (d) it is magnetic
33. 33.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same glass is kept the same. (a) False (b) True
34. 34.⚖️ 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
35. 35.True or false: a sink or a bucket is not needed for the card-on-a-glass trick. (a) True (b) False
36. 36.🧺 Do we need a mirror for the card-on-a-glass trick? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a bicycle pump (b) a magnetic pin holder (c) a drinking straw (d) a vacuum cleaner
38. 38.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) yeast (c) a stiff postcard (d) a battery cell
39. 39.⚖️ 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
40. 40.🥛 Which of these works by air pressure? (a) a suction hook (b) a magnetic chess set (c) a fridge magnet (d) a magnetic pin holder

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