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Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 531 · 40 questions
TalentJR

What you do (Push back, move forward): 1. Thread the string through the straw and tie it tightly between two chairs. 2. Blow up the balloon (not too much) and pinch its neck shut. 3. Tape the balloon to the straw, neck pointing backward. 4. Let go, measure how far it goes, and keep it away from faces.

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  1. 1.True or false: a long string is needed for the balloon rocket. (a) False (b) True
  2. 2.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) forward (c) it stays still (d) backward
  3. 3.True or false: water from the oars goes backward. (a) True (b) False
  4. 4.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
  5. 5.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a battery cell (c) a balloon (d) yeast
  6. 6.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
  7. 7.🚀 Which of these goes backward? (a) the swimmer (b) the rocket (c) water from the oars (d) the rowing boat
  8. 8.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
  9. 9.True or false: air from the balloon goes forward. (a) False (b) True
  10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) how big we blow it (b) distance it travels (c) the same string
  11. 11.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
  12. 12.True or false: the balloon goes backward. (a) True (b) False
  13. 13.🚀 Which of these goes forward? (a) the rocket (b) air from the balloon (c) gas from the rocket (d) water a swimmer pushes
  14. 14.True or false: gas from the rocket goes forward. (a) False (b) True
  15. 15.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) a magnet pulls it (c) the string pulls it (d) the straw is heavy
  16. 16.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
  17. 17.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it can pop loudly (c) it gets too heavy (d) it turns into a kite
  18. 18.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) water a swimmer pushes (d) the rowing boat
  19. 19.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) vinegar (b) a long string (c) a balloon (d) sticky tape
  20. 20.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it goes less far (c) it goes much farther (d) it turns into a kite
  21. 21.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True
  22. 22.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we change it (b) we measure it (c) we keep it the same
  23. 23.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) more friction, less far (c) it goes faster (d) no change at all
  24. 24.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
  25. 25.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is what we measure. (a) False (b) True
  26. 26.🚀 Which of these goes forward? (a) air from the balloon (b) the rowing boat (c) gas from the rocket (d) water a swimmer pushes
  27. 27.True or false: the rocket goes backward. (a) True (b) False
  28. 28.🚀 Which of these goes backward? (a) gas from the rocket (b) the swimmer (c) the balloon (d) the rowing boat
  29. 29.🧺 Which of these is not needed for the balloon rocket? (a) a battery cell (b) a drinking straw (c) a long string (d) two chairs
  30. 30.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
  31. 31.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same string (b) distance it travels (c) how big we blow it (d) the same tape
  32. 32.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a magnet (c) a drinking straw (d) a balloon
  33. 33.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a balloon (c) turmeric powder (d) sticky tape
  34. 34.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a mirror (c) a sundial (d) a balloon rocket
  35. 35.🧺 Which of these is not needed for the balloon rocket? (a) yeast (b) a drinking straw (c) a balloon (d) a long string
  36. 36.True or false: a mirror is needed for the balloon rocket. (a) True (b) False
  37. 37.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
  38. 38.True or false: turmeric powder is needed for the balloon rocket. (a) True (b) False
  39. 39.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) turmeric powder (c) two chairs (d) a mirror
  40. 40.🧺 Which of these is needed for the balloon rocket? (a) sticky tape (b) a mirror (c) yeast (d) a magnet

Answer key

  1. True
  2. forward
  3. True
  4. needed
  5. a balloon
  6. goes forward
  7. water from the oars
  8. needed
  9. False
  10. the same string
  11. not needed
  12. False
  13. the rocket
  14. False
  15. escaping air pushes it
  16. goes backward
  17. it can pop loudly
  18. water a swimmer pushes
  19. vinegar
  20. it goes less far
  21. True
  22. we keep it the same
  23. more friction, less far
  24. not needed
  25. False
  26. the rowing boat
  27. False
  28. gas from the rocket
  29. a battery cell
  30. goes backward
  31. how big we blow it
  32. a magnet
  33. turmeric powder
  34. a balloon rocket
  35. yeast
  36. False
  37. needed
  38. False
  39. two chairs
  40. sticky tape

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