Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 984 · 40 questions

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.

1. 1.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed
2. 2.🚀 Which of these goes forward? (a) water from the oars (b) the balloon (c) air from the balloon (d) gas from the rocket
3. 3.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) distance it travels (b) the same string (c) the same straw (d) how big we blow it
4. 4.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it speeds up (c) it travels farther (d) it travels less far
5. 5.True or false: water from the oars goes forward. (a) False (b) True
6. 6.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
7. 7.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
8. 8.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
9. 9.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it flies off the string (c) it goes less far (d) it goes much farther
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.🚀 Which of these goes forward? (a) the rocket (b) water a swimmer pushes (c) water from the oars (d) air from the balloon
12. 12.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a long string (c) a balloon (d) vinegar
13. 13.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it holds water (c) it guides the balloon (d) it blows air in
14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same straw (b) distance it travels (c) how big we blow it
15. 15.⚖️ 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
16. 16.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) put string round a neck (c) keep it away from faces (d) aim it at your friend
17. 17.True or false: air from the balloon goes backward. (a) False (b) True
18. 18.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) no change at all (c) more friction, less far (d) it goes faster
19. 19.True or false: the swimmer goes backward. (a) True (b) False
20. 20.🛟 What should you do with popped balloon pieces? (a) give them to a baby (b) chew them (c) keep them in your mouth (d) throw them away safely
21. 21.⚖️ 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
22. 22.🚀 Which of these goes backward? (a) the swimmer (b) air from the balloon (c) the rowing boat (d) the balloon
23. 23.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
24. 24.True or false: sticky tape is needed for the balloon rocket. (a) True (b) False
25. 25.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
26. 26.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a sundial (c) a mirror (d) a balloon rocket
27. 27.🚀 Which of these goes forward? (a) gas from the rocket (b) the rowing boat (c) water a swimmer pushes (d) water from the oars
28. 28.True or false: air from the balloon goes forward. (a) False (b) True
29. 29.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a battery cell (b) sticky tape (c) a drinking straw (d) a long string
30. 30.True or false: the balloon goes backward. (a) False (b) True
31. 31.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) a long string (c) a battery cell (d) turmeric powder
32. 32.🚀 Which of these goes backward? (a) the balloon (b) gas from the rocket (c) the swimmer (d) the rowing boat
33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) the slope of the string (c) how big we blow it (d) the same string
34. 34.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.True or false: yeast is needed for the balloon rocket. (a) False (b) True
36. 36.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) turmeric powder (c) sticky tape (d) a magnet
37. 37.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) water a swimmer pushes (d) the swimmer
38. 38.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
39. 39.🚀 Which of these goes backward? (a) the rocket (b) water a swimmer pushes (c) the rowing boat (d) the balloon
40. 40.⚖️ 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 keep it the same (c) we measure it

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