Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 873 · 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.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
2. 2.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) yeast (c) a balloon (d) turmeric powder
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a drinking straw (c) yeast (d) a balloon
4. 4.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels less far (c) it speeds up (d) it travels farther
5. 5.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) how big we blow it (b) the same tape (c) the same string (d) the same straw
7. 7.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
8. 8.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same string (b) the same tape (c) the slope of the string (d) distance it travels
9. 9.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it guides the balloon (c) it holds water (d) it blows air in
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) False (b) True
11. 11.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.🚀 Which of these goes backward? (a) the rocket (b) the rowing boat (c) the balloon (d) water a swimmer pushes
13. 13.🔮 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
14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) keep it away from faces (c) aim it at your friend (d) put string round a neck
16. 16.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) a magnet pulls it (c) escaping air pushes it (d) the string pulls it
17. 17.🎈 When does the balloon rocket stop? (a) when it turns blue (b) it never stops (c) when the air runs out (d) when it gets cold
18. 18.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a drinking straw (c) a mirror (d) a long string
19. 19.🚀 Which of these goes forward? (a) gas from the rocket (b) water a swimmer pushes (c) the rowing boat (d) air from the balloon
20. 20.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
21. 21.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) give them to a baby (c) chew them (d) throw them away safely
22. 22.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
23. 23.True or false: a magnet is not needed for the balloon rocket. (a) True (b) False
24. 24.True or false: turmeric powder is not needed for the balloon rocket. (a) False (b) True
25. 25.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) False (b) True
26. 26.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) how big we blow it (c) distance it travels
27. 27.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it goes much farther (c) it turns into a kite (d) it flies off the string
28. 28.True or false: air from the balloon goes forward. (a) True (b) False
29. 29.True or false: gas from the rocket goes backward. (a) False (b) True
30. 30.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a magnet (c) sticky tape (d) a balloon
31. 31.True or false: water from the oars goes forward. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) turmeric powder (c) a battery cell (d) a drinking straw
34. 34.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
35. 35.True or false: a mirror is needed for the balloon rocket. (a) False (b) True
36. 36.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) a magnet (c) two chairs (d) a mirror
37. 37.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed
38. 38.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) a drinking straw (c) turmeric powder (d) sticky tape
39. 39.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes backward (b) goes forward
40. 40.True or false: the balloon goes backward. (a) False (b) True

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