Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 235 · 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.🥛 Does a medicine dropper work by air pressure or by magnetism? (a) air pressure (b) magnetism
2. 2.True or false: a sink or a bucket is not needed for the card-on-a-glass trick. (a) True (b) False
3. 3.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a stiff postcard (b) a battery cell (c) a glass of water (d) a towel
4. 4.🧺 Do we need turmeric powder for the card-on-a-glass trick? (a) needed (b) not needed
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) how full the glass is (c) the same glass (d) whether the card stays
6. 6.True or false: a bicycle pump works by magnetism. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) a fridge magnet (b) a compass needle (c) a magnetic pin holder (d) a vacuum cleaner
8. 8.True or false: a magnet is needed for the card-on-a-glass trick. (a) False (b) True
9. 9.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is hotter (b) it is magnetic (c) it is heavier (d) it will not break
10. 10.🥛 Which of these works by magnetism? (a) a medicine dropper (b) a bicycle pump (c) a vacuum cleaner (d) a fridge magnet
11. 11.⚖️ 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
12. 12.🔮 Why do we try the card trick over a sink or a bucket? (a) to make it rain (b) to cool the glass (c) to grow plants (d) to catch any spills
13. 13.True or false: a drinking straw works by magnetism. (a) False (b) True
14. 14.🧺 Do we need a balloon for the card-on-a-glass trick? (a) needed (b) not needed
15. 15.⚖️ 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) whether the card stays (c) the same card
16. 16.🛟 Where should you do the card-and-glass trick? (a) over a laptop (b) on a bed (c) over a sink or bucket (d) near a plug point
17. 17.True or false: a balloon is needed for the card-on-a-glass trick. (a) True (b) False
18. 18.⚖️ 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 change it (b) we keep it the same (c) we measure it
19. 19.🥛 Does a magnetic chess set work by air pressure or by magnetism? (a) air pressure (b) magnetism
20. 20.🥛 Which of these works by air pressure? (a) a vacuum cleaner (b) a fridge magnet (c) a magnetic pin holder (d) a compass needle
21. 21.⚖️ 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 the one thing we change. (a) True (b) False
22. 22.🧺 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 battery cell (d) a stiff postcard
23. 23.⚖️ 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
24. 24.🔍 You turn the full glass upside down, holding the card, then let go of the card. What happens? (a) the card stays on (b) the glass breaks (c) the water turns to ice (d) the card flies away
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) the cap is sticky (c) water is hiding there (d) air inside pushes back
26. 26.⚖️ Fair test — does the card stay on with a full glass and with a half-full glass? True or false: the same glass is what we measure. (a) True (b) False
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 way we turn it”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.🔮 Predict: you blow up a balloon. What fills it? (a) air (b) smoke (c) water (d) sand
29. 29.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a magnet (c) yeast (d) a towel
30. 30.🧺 Do we need a towel for the card-on-a-glass trick? (a) not needed (b) needed
31. 31.🧺 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) turmeric powder (d) a glass of water
32. 32.🧺 Do we need a stiff postcard for the card-on-a-glass trick? (a) not needed (b) needed
33. 33.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a stiff postcard (b) a magnet (c) a towel (d) a sink or a bucket
34. 34.🧺 Do we need a mirror for the card-on-a-glass trick? (a) not needed (b) needed
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) a fridge magnet (b) a medicine dropper (c) a bicycle pump (d) a drinking straw
37. 37.True or false: a battery cell is not needed for the card-on-a-glass trick. (a) False (b) True
38. 38.🥛 Does a suction hook work by air pressure or by magnetism? (a) air pressure (b) magnetism
39. 39.⚖️ 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 glass (c) how full the glass is
40. 40.🔍 Which is the odd one out? (a) a suction hook (b) a bicycle pump (c) a magnetic pin holder (d) a vacuum cleaner

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