Air Pressure Experiment Worksheet

Science experiments lesson 6: Air pressure: the card on a glass · Set 583 · 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 the one thing we change? (a) whether the card stays (b) the way we turn it (c) the same card (d) how full the glass is
2. 2.🥛 Which of these works by magnetism? (a) a drinking straw (b) a suction hook (c) a compass needle (d) a bicycle pump
3. 3.🛟 Why is a plastic cup safer than a glass for small children here? (a) it is hotter (b) it is heavier (c) it is magnetic (d) it will not break
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 the one thing we change. (a) True (b) False
5. 5.🥛 Does a bicycle pump work by air pressure or by magnetism? (a) magnetism (b) air pressure
6. 6.🔍 Which is the odd one out? (a) a magnetic chess set (b) a drinking straw (c) a fridge magnet (d) a magnetic pin holder
7. 7.True or false: a glass of water is needed for the card-on-a-glass trick. (a) False (b) True
8. 8.True or false: a magnetic chess set works by magnetism. (a) False (b) True
9. 9.True or false: yeast is needed for the card-on-a-glass trick. (a) False (b) True
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 keep it the same (b) we measure it (c) we change it
11. 11.True or false: a bicycle pump works by magnetism. (a) True (b) False
12. 12.⚖️ 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 change it (c) we keep it the same
13. 13.🔮 Why do we try the card trick over a sink or a bucket? (a) to make it rain (b) to grow plants (c) to cool the glass (d) to catch any spills
14. 14.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a towel (b) a stiff postcard (c) a battery cell (d) a sink or a bucket
15. 15.🥛 Does a compass needle work by air pressure or by magnetism? (a) air pressure (b) magnetism
16. 16.🥛 Does a fridge magnet work by air pressure or by magnetism? (a) air pressure (b) magnetism
17. 17.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a glass of water (b) a towel (c) a balloon (d) a stiff postcard
18. 18.True or false: a suction hook works by air pressure. (a) False (b) True
19. 19.⚖️ 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 kept the same. (a) False (b) True
20. 20.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a stiff postcard (b) yeast (c) a glass of water (d) a sink or a bucket
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 what we measure. (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 magnet (b) a sink or a bucket (c) a glass of water (d) a stiff postcard
23. 23.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a towel (b) a stiff postcard (c) a battery cell (d) a glass of water
24. 24.🛟 Where should you do the card-and-glass trick? (a) near a plug point (b) over a laptop (c) over a sink or bucket (d) on a bed
25. 25.🔍 Which is the odd one out? (a) a suction hook (b) a vacuum cleaner (c) a fridge magnet (d) a bicycle pump
26. 26.True or false: a magnetic chess set works by air pressure. (a) False (b) True
27. 27.True or false: a stiff postcard is needed for the card-on-a-glass trick. (a) False (b) True
28. 28.⚖️ 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) how full the glass is (b) the same glass (c) whether the card stays (d) the same card
29. 29.⚖️ 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 the one thing we change. (a) True (b) False
30. 30.🥛 Which of these works by magnetism? (a) a medicine dropper (b) a magnetic chess set (c) a suction hook (d) a drinking straw
31. 31.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a fridge magnet (c) a compass needle (d) a bicycle pump
32. 32.⚖️ 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
33. 33.🔮 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
34. 34.🔍 Which is the odd one out? (a) a suction hook (b) a bicycle pump (c) a magnetic pin holder (d) a medicine dropper
35. 35.⚖️ 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 way we turn it
36. 36.🧺 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 towel
37. 37.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a stiff postcard (b) a glass of water (c) a towel (d) a balloon
38. 38.True or false: a drinking straw works by magnetism. (a) True (b) False
39. 39.🥛 Which of these works by air pressure? (a) a vacuum cleaner (b) a magnetic pin holder (c) a fridge magnet (d) a compass needle
40. 40.📘 Air presses on everything around us. What is this push called? (a) sunlight (b) air pressure (c) magnetism (d) friction

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