Air Pressure Experiment Worksheet
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.
NameDateTime takenScore ___ / 40
- 1.🥛 Does a fridge magnet work by air pressure or by magnetism? (a) magnetism (b) air pressure
- 2.🧺 Do we need a sink or a bucket for the card-on-a-glass trick? (a) not needed (b) needed
- 3.🧺 Which of these is needed for the card-on-a-glass trick? (a) turmeric powder (b) a balloon (c) a battery cell (d) a stiff postcard
- 4.True or false: a towel is not needed for the card-on-a-glass trick. (a) False (b) True
- 5.🧺 Which of these is not needed for the card-on-a-glass trick? (a) a magnet (b) a towel (c) a glass of water (d) a stiff postcard
- 6.⚖️ 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 same glass (b) how full the glass is (c) whether the card stays (d) the way we turn it
- 7.⚖️ 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
- 8.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) yeast (b) a stiff postcard (c) a towel (d) a glass of water
- 9.🔍 Which is the odd one out? (a) a fridge magnet (b) a compass needle (c) a magnetic pin holder (d) a medicine dropper
- 10.🥛 Does a suction hook work by air pressure or by magnetism? (a) air pressure (b) magnetism
- 11.🧺 Do we need a balloon for the card-on-a-glass trick? (a) needed (b) not needed
- 12.🧺 Three of these are needed for the card-on-a-glass trick. Which one is NOT needed? (a) a balloon (b) a sink or a bucket (c) a glass of water (d) a towel
- 13.🧺 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) turmeric powder
- 14.🥛 Does a magnetic pin holder work by air pressure or by magnetism? (a) air pressure (b) magnetism
- 15.🧺 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
- 16.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a drinking straw (c) a compass needle (d) a magnetic chess set
- 17.⚖️ 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
- 18.🧺 Which of these is needed for the card-on-a-glass trick? (a) a magnet (b) turmeric powder (c) a mirror (d) a sink or a bucket
- 19.⚖️ 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) True (b) False
- 20.True or false: a magnetic pin holder works by magnetism. (a) True (b) False
- 21.🔍 Which is the odd one out? (a) a fridge magnet (b) a medicine dropper (c) a bicycle pump (d) a vacuum cleaner
- 22.True or false: a glass of water is needed for the card-on-a-glass trick. (a) True (b) False
- 23.🧺 Do we need yeast for the card-on-a-glass trick? (a) not needed (b) needed
- 24.🧺 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 magnet (c) a stiff postcard (d) a towel
- 25.🔍 Which is the odd one out? (a) a magnetic chess set (b) a compass needle (c) a fridge magnet (d) a vacuum cleaner
- 26.⚖️ 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
- 27.True or false: a stiff postcard is not needed for the card-on-a-glass trick. (a) True (b) False
- 28.🔍 Which is the odd one out? (a) a magnetic pin holder (b) a suction hook (c) a drinking straw (d) a bicycle pump
- 29.⚖️ 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 same glass (b) whether the card stays (c) how full the glass is
- 30.🧺 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 mirror
- 31.🧺 Do we need a battery cell for the card-on-a-glass trick? (a) needed (b) not needed
- 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 the one thing we change. (a) False (b) True
- 33.True or false: a magnetic chess set works by air pressure. (a) True (b) False
- 34.True or false: a suction hook works by magnetism. (a) False (b) True
- 35.🔍 Which is the odd one out? (a) a magnetic chess set (b) a drinking straw (c) a bicycle pump (d) a suction hook
- 36.🧺 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
- 37.🥛 Does a magnetic chess set work by air pressure or by magnetism? (a) magnetism (b) air pressure
- 38.⚖️ 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) False (b) True
- 39.🧺 Do we need a stiff postcard for the card-on-a-glass trick? (a) needed (b) not needed
- 40.True or false: a mirror is needed for the card-on-a-glass trick. (a) True (b) False
Answer key
- magnetism
- needed
- a stiff postcard
- False
- a magnet
- whether the card stays
- we measure it
- yeast
- a medicine dropper
- air pressure
- not needed
- a balloon
- turmeric powder
- magnetism
- a battery cell
- a drinking straw
- we keep it the same
- a sink or a bucket
- True
- True
- a fridge magnet
- True
- not needed
- a magnet
- a vacuum cleaner
- False
- False
- a magnetic pin holder
- the same glass
- a mirror
- not needed
- False
- False
- False
- a magnetic chess set
- a glass of water
- magnetism
- False
- needed
- False
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