Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 865 · 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 bicycle pump works by magnetism. (a) True (b) False
2. 2.⚖️ 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
3. 3.🥛 Which of these works by air pressure? (a) a bicycle pump (b) a magnetic pin holder (c) a compass needle (d) a magnetic chess set
4. 4.⚖️ 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) whether the card stays (b) the way we turn it (c) how full the glass is (d) the same glass
5. 5.🥛 Does a drinking straw work by air pressure or by magnetism? (a) magnetism (b) air pressure
6. 6.⚖️ 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 way we turn it (b) the same glass (c) the same card (d) how full the glass is
7. 7.🧺 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 glass of water (d) a sink or a bucket
8. 8.⚖️ 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 way we turn it (b) whether the card stays (c) how full the glass is
9. 9.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a sink or a bucket (b) a towel (c) a glass of water (d) yeast
10. 10.🧺 Which of these is needed for the card-on-a-glass trick? (a) a battery cell (b) a magnet (c) turmeric powder (d) a glass of water
11. 11.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a towel (b) a glass of water (c) a stiff postcard (d) a battery cell
12. 12.🧺 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
13. 13.🔮 Predict: you blow up a balloon. What fills it? (a) sand (b) water (c) air (d) smoke
14. 14.🛟 Where should you do the card-and-glass trick? (a) over a laptop (b) over a sink or bucket (c) on a bed (d) near a plug point
15. 15.🥛 Does a medicine dropper work by air pressure or by magnetism? (a) air pressure (b) magnetism
16. 16.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) magnetism (b) air pressure
17. 17.True or false: a magnet is needed for the card-on-a-glass trick. (a) True (b) False
18. 18.True or false: a magnet is not needed for the card-on-a-glass trick. (a) True (b) False
19. 19.🥛 Does a compass needle work by air pressure or by magnetism? (a) air pressure (b) magnetism
20. 20.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a glass of water (b) a towel (c) a magnet (d) a sink or a bucket
21. 21.🧺 Do we need a glass of water for the card-on-a-glass trick? (a) not needed (b) needed
22. 22.⚖️ 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) False (b) True
23. 23.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) yeast (c) a magnet (d) a stiff postcard
24. 24.🥤 Why does juice go up a drinking straw when you sip? (a) juice likes plastic (b) air pushes it up (c) the straw is hot (d) the straw is magnetic
25. 25.🔮 Predict: you squeeze an empty plastic bottle with its cap screwed on tight. Why is it hard? (a) air inside pushes back (b) the cap is sticky (c) the bottle is magnetic (d) water is hiding there
26. 26.📘 Air presses on everything around us. What is this push called? (a) sunlight (b) friction (c) air pressure (d) magnetism
27. 27.True or false: a suction hook works by magnetism. (a) False (b) True
28. 28.True or false: turmeric powder is not needed for the card-on-a-glass trick. (a) False (b) True
29. 29.🔍 You turn the full glass upside down, holding the card, then let go of the card. What happens? (a) the water turns to ice (b) the card stays on (c) the glass breaks (d) the card flies away
30. 30.🔍 Which is the odd one out? (a) a bicycle pump (b) a vacuum cleaner (c) a compass needle (d) a medicine dropper
31. 31.🥛 Why is it best to fill the glass right to the top? (a) it looks nicer (b) the card gets wet (c) water is heavier (d) little air left inside
32. 32.🧺 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 mirror (c) a towel (d) a stiff postcard
33. 33.🥛 Does a suction hook work by air pressure or by magnetism? (a) magnetism (b) air pressure
34. 34.True or false: a balloon is not needed for the card-on-a-glass trick. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a medicine dropper (c) a magnetic chess set (d) a compass needle
36. 36.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is heavier (b) it is magnetic (c) it will not break (d) it is hotter
37. 37.⚖️ 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
38. 38.True or false: a vacuum cleaner works by air pressure. (a) True (b) False
39. 39.True or false: a sink or a bucket is not needed for the card-on-a-glass trick. (a) False (b) True
40. 40.True or false: a fridge magnet works by magnetism. (a) False (b) True

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