← Balloon rocket lesson New set →

Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 854 · 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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a drinking straw is needed for the balloon rocket. (a) False (b) True
  2. 2.🎈 Why does the balloon rocket move along the string? (a) a magnet pulls it (b) the straw is heavy (c) the string pulls it (d) escaping air pushes it
  3. 3.⚖️ 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) how big we blow it (c) the same straw (d) the same tape
  4. 4.True or false: a magnet is not needed for the balloon rocket. (a) False (b) True
  5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we keep it the same (b) we change it (c) we measure it
  6. 6.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) aim it at your friend (c) keep it away from faces (d) put string round a neck
  7. 7.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is what we measure. (a) False (b) True
  8. 8.True or false: air from the balloon goes backward. (a) False (b) True
  9. 9.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
  10. 10.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
  11. 11.🚀 Which of these goes backward? (a) the balloon (b) air from the balloon (c) the rocket (d) the rowing boat
  12. 12.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it flies off the string (c) it goes much farther (d) it turns into a kite
  13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we keep it the same (b) we measure it (c) we change it
  14. 14.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a mirror (c) a drinking straw (d) a long string
  15. 15.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is what we measure. (a) True (b) False
  16. 16.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
  17. 17.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
  18. 18.True or false: yeast is needed for the balloon rocket. (a) True (b) False
  19. 19.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
  20. 20.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) vinegar (c) a balloon (d) two chairs
  21. 21.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it changes colour (c) it can pop loudly (d) it turns into a kite
  22. 22.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) backward (c) it stays still (d) forward
  23. 23.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
  24. 24.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) False (b) True
  25. 25.True or false: gas from the rocket goes backward. (a) False (b) True
  26. 26.🚀 Which of these goes forward? (a) water from the oars (b) air from the balloon (c) the balloon (d) gas from the rocket
  27. 27.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
  28. 28.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
  29. 29.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
  30. 30.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
  31. 31.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
  32. 32.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is the one thing we change. (a) False (b) True
  33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is the one thing we change. (a) True (b) False
  34. 34.🎈 When does the balloon rocket stop? (a) when it gets cold (b) it never stops (c) when it turns blue (d) when the air runs out
  35. 35.True or false: a long string is needed for the balloon rocket. (a) False (b) True
  36. 36.🎈 What is the job of the straw on the string? (a) it blows air in (b) it guides the balloon (c) it makes it heavier (d) it holds water
  37. 37.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed
  38. 38.True or false: vinegar is needed for the balloon rocket. (a) True (b) False
  39. 39.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) a long string (c) sticky tape (d) a drinking straw
  40. 40.True or false: yeast is not needed for the balloon rocket. (a) True (b) False

Answer key

  1. True
  2. escaping air pushes it
  3. how big we blow it
  4. True
  5. we keep it the same
  6. keep it away from faces
  7. False
  8. True
  9. goes backward
  10. needed
  11. air from the balloon
  12. it goes less far
  13. we change it
  14. a mirror
  15. False
  16. False
  17. goes backward
  18. False
  19. needed
  20. vinegar
  21. it can pop loudly
  22. forward
  23. False
  24. True
  25. True
  26. the balloon
  27. goes forward
  28. False
  29. needed
  30. True
  31. goes backward
  32. False
  33. False
  34. when the air runs out
  35. True
  36. it guides the balloon
  37. not needed
  38. False
  39. turmeric powder
  40. True

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