Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 349 · 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.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a mirror (b) a fridge magnet (c) a sundial (d) a balloon rocket
2. 2.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) a magnet (c) a balloon (d) turmeric powder
3. 3.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
4. 4.True or false: the rowing boat goes backward. (a) True (b) False
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) True (b) False
6. 6.🛟 What should you do with popped balloon pieces? (a) chew them (b) throw them away safely (c) give them to a baby (d) keep them in your mouth
7. 7.⚖️ 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 tape (c) the same straw (d) how big we blow it
8. 8.True or false: a magnet is not needed for the balloon rocket. (a) True (b) False
9. 9.True or false: water from the oars goes backward. (a) True (b) False
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is what we measure. (a) True (b) False
11. 11.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
12. 12.🚀 Which of these goes forward? (a) gas from the rocket (b) the rowing boat (c) air from the balloon (d) water a swimmer pushes
13. 13.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a mirror (c) a balloon (d) a long string
14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same straw (b) the same tape (c) distance it travels (d) the slope of the string
15. 15.⚖️ 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
16. 16.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
17. 17.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it goes much farther (c) it turns into a kite (d) it goes less far
18. 18.🛟 Why should you not over-blow the balloon? (a) it can pop loudly (b) it changes colour (c) it turns into a kite (d) it gets too heavy
19. 19.True or false: yeast is needed for the balloon rocket. (a) True (b) False
20. 20.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
21. 21.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same tape (b) distance it travels (c) how big we blow it
22. 22.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a magnet (c) a balloon (d) two chairs
23. 23.True or false: air from the balloon goes backward. (a) False (b) True
24. 24.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
26. 26.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) a battery cell (c) sticky tape (d) turmeric powder
27. 27.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we change it (b) we measure it (c) we keep it the same
28. 28.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a mirror (c) vinegar (d) two chairs
30. 30.🔮 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
31. 31.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
32. 32.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
33. 33.🎈 Why does the balloon rocket move along the string? (a) a magnet pulls it (b) escaping air pushes it (c) the string pulls it (d) the straw is heavy
34. 34.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a long string (c) a battery cell (d) a balloon
35. 35.True or false: sticky tape is needed for the balloon rocket. (a) True (b) False
36. 36.🧺 Do we need turmeric powder for the balloon rocket? (a) needed (b) not needed
37. 37.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
38. 38.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) put string round a neck (c) keep it away from faces (d) blow it till it bursts
39. 39.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) sticky tape (c) vinegar (d) a drinking straw
40. 40.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) True (b) False

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