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Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 857 · 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.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is kept the same. (a) False (b) True
  2. 2.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
  3. 3.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
  4. 4.🚀 Which of these goes backward? (a) the rowing boat (b) the balloon (c) the swimmer (d) water a swimmer pushes
  5. 5.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it speeds up (c) it travels less far (d) it goes backward first
  6. 6.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) put string round a neck (c) aim it at your friend (d) keep it away from faces
  7. 7.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) more friction, less far (b) less friction (c) it goes faster (d) no change at all
  8. 8.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) forward (c) backward (d) straight down
  9. 9.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
  10. 10.🧺 Do we need a magnet for the balloon rocket? (a) not needed (b) needed
  11. 11.🎈 What is the job of the straw on the string? (a) it blows air in (b) it makes it heavier (c) it guides the balloon (d) it holds water
  12. 12.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) sticky tape (c) a magnet (d) a drinking straw
  13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we change it (b) we measure it (c) we keep it the same
  14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we measure it (b) we change it (c) we keep it the same
  15. 15.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
  16. 16.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a balloon (c) two chairs (d) a magnet
  17. 17.True or false: the swimmer goes backward. (a) True (b) False
  18. 18.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
  19. 19.⚖️ 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
  20. 20.True or false: gas from the rocket goes backward. (a) False (b) True
  21. 21.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is the one thing we change. (a) True (b) False
  22. 22.🧺 Which of these is not needed for the balloon rocket? (a) a mirror (b) sticky tape (c) a drinking straw (d) two chairs
  23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) two chairs (c) a drinking straw (d) yeast
  24. 24.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
  25. 25.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
  26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a long string (c) two chairs (d) a mirror
  27. 27.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a drinking straw (d) a long string
  28. 28.True or false: two chairs is not needed for the balloon rocket. (a) True (b) False
  29. 29.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a battery cell (c) a balloon (d) sticky tape
  30. 30.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
  31. 31.True or false: water a swimmer pushes goes backward. (a) True (b) False
  32. 32.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
  33. 33.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) two chairs (c) a long string (d) yeast
  34. 34.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
  35. 35.🚀 Which of these goes forward? (a) water from the oars (b) air from the balloon (c) water a swimmer pushes (d) the swimmer
  36. 36.🚀 Which of these goes backward? (a) the rowing boat (b) water from the oars (c) the rocket (d) the balloon
  37. 37.🚀 Which of these goes backward? (a) gas from the rocket (b) the swimmer (c) the balloon (d) the rocket
  38. 38.True or false: water a swimmer pushes goes forward. (a) False (b) True
  39. 39.True or false: water from the oars goes forward. (a) True (b) False
  40. 40.True or false: the swimmer goes forward. (a) True (b) False

Answer key

  1. True
  2. needed
  3. False
  4. water a swimmer pushes
  5. it travels less far
  6. keep it away from faces
  7. more friction, less far
  8. forward
  9. goes forward
  10. not needed
  11. it guides the balloon
  12. a magnet
  13. we keep it the same
  14. we change it
  15. True
  16. a magnet
  17. False
  18. not needed
  19. False
  20. True
  21. True
  22. a mirror
  23. yeast
  24. not needed
  25. goes backward
  26. a mirror
  27. turmeric powder
  28. False
  29. a battery cell
  30. False
  31. True
  32. not needed
  33. yeast
  34. goes backward
  35. the swimmer
  36. water from the oars
  37. gas from the rocket
  38. False
  39. False
  40. True

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