Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 422 · 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.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) turmeric powder (c) a long string (d) a balloon
2. 2.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) air from the balloon (d) the balloon
3. 3.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) blow it till it bursts (c) aim it at your friend (d) keep it away from faces
4. 4.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) vinegar (c) a magnet (d) sticky tape
5. 5.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a drinking straw (c) a long string (d) yeast
6. 6.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
7. 7.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it can pop loudly (d) it turns into a kite
8. 8.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
9. 9.🚀 Which of these goes backward? (a) the swimmer (b) the balloon (c) the rowing boat (d) water from the oars
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.🎈 When does the balloon rocket stop? (a) it never stops (b) when it turns blue (c) when it gets cold (d) when the air runs out
12. 12.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it holds water (c) it blows air in (d) it guides the balloon
13. 13.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) vinegar (b) sticky tape (c) a long string (d) a balloon
14. 14.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward
15. 15.True or false: the rowing boat goes forward. (a) False (b) True
16. 16.True or false: a mirror is not needed for the balloon rocket. (a) True (b) False
17. 17.🔮 Predict: the string slopes uphill. What happens? (a) it speeds up (b) it travels farther (c) it goes backward first (d) it travels less far
18. 18.🚀 Which of these goes backward? (a) the rocket (b) the swimmer (c) the rowing boat (d) gas from the rocket
19. 19.True or false: water a swimmer pushes goes forward. (a) False (b) True
20. 20.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
21. 21.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
22. 22.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) turmeric powder (c) a battery cell (d) a drinking straw
23. 23.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the slope of the string (b) the same tape (c) the same straw (d) how big we blow it
24. 24.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
25. 25.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is the one thing we change. (a) False (b) True
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a magnet (b) sticky tape (c) two chairs (d) a drinking straw
27. 27.📘 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
28. 28.True or false: the swimmer goes forward. (a) False (b) True
29. 29.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) it goes faster (c) less friction (d) more friction, less far
30. 30.🎈 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
31. 31.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a drinking straw (c) a battery cell (d) two chairs
32. 32.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
33. 33.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
34. 34.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is what we measure. (a) True (b) False
35. 35.🚀 Which of these goes backward? (a) the swimmer (b) the rocket (c) air from the balloon (d) the balloon
36. 36.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
37. 37.True or false: a magnet is not needed for the balloon rocket. (a) True (b) False
38. 38.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
39. 39.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
40. 40.True or false: two chairs is needed for the balloon rocket. (a) True (b) False

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