Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 119 · 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.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) the string pulls it (c) a magnet pulls it (d) escaping air pushes it
2. 2.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
3. 3.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is kept the same. (a) False (b) True
4. 4.🛟 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
5. 5.True or false: a battery cell is not needed for the balloon rocket. (a) True (b) False
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) True (b) False
7. 7.⚖️ 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
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
10. 10.🚀 Which of these goes backward? (a) the rowing boat (b) air from the balloon (c) the balloon (d) the rocket
11. 11.⚖️ 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
12. 12.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
13. 13.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
14. 14.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a mirror (c) a magnet (d) two chairs
15. 15.True or false: two chairs is not needed for the balloon rocket. (a) True (b) False
16. 16.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
17. 17.🎈 What is the job of the straw on the string? (a) it holds water (b) it makes it heavier (c) it blows air in (d) it guides the balloon
18. 18.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same string (b) how big we blow it (c) distance it travels (d) the same tape
19. 19.True or false: water a swimmer pushes goes backward. (a) True (b) False
20. 20.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
21. 21.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a sundial (c) a balloon rocket (d) a mirror
22. 22.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
23. 23.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
24. 24.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is the one thing we change. (a) True (b) False
25. 25.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) a mirror (d) two chairs
27. 27.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same straw (b) the same tape (c) how big we blow it (d) distance it travels
28. 28.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it goes much farther (c) it flies off the string (d) it goes less far
29. 29.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a long string (c) a mirror (d) two chairs
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) False (b) True
31. 31.True or false: gas from the rocket goes backward. (a) True (b) False
32. 32.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is what we measure. (a) True (b) False
33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we change it (b) we keep it the same (c) we measure it
34. 34.⚖️ 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
35. 35.🚀 Which of these goes backward? (a) the rocket (b) gas from the rocket (c) the swimmer (d) the rowing boat
36. 36.🔮 Predict: the string slopes uphill. What happens? (a) it travels less far (b) it travels farther (c) it goes backward first (d) it speeds up
37. 37.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) vinegar (c) a long string (d) sticky tape
38. 38.🚀 Which of these goes forward? (a) the rowing boat (b) air from the balloon (c) water a swimmer pushes (d) gas from the rocket
39. 39.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) two chairs (d) turmeric powder
40. 40.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed

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