Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 927 · 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.⚖️ 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 change it (c) we measure it
2. 2.🚀 Which of these goes backward? (a) the swimmer (b) the rowing boat (c) water a swimmer pushes (d) the balloon
3. 3.🛟 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
4. 4.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
5. 5.🎈 What is the job of the straw on the string? (a) it guides the balloon (b) it makes it heavier (c) it holds water (d) it blows air in
6. 6.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
7. 7.🚀 Which of these goes forward? (a) the rowing boat (b) water a swimmer pushes (c) water from the oars (d) air from the balloon
8. 8.True or false: a drinking straw is needed for the balloon rocket. (a) True (b) False
9. 9.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes backward (b) goes forward
10. 10.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) a drinking straw (c) a balloon (d) a mirror
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) vinegar (b) sticky tape (c) two chairs (d) a balloon
12. 12.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) it goes faster (b) no change at all (c) more friction, less far (d) less friction
13. 13.🧺 Which of these is not needed for the balloon rocket? (a) a magnet (b) a balloon (c) two chairs (d) a long string
14. 14.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it goes much farther (c) it goes less far (d) it flies off the string
15. 15.⚖️ 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
16. 16.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) backward (c) it stays still (d) forward
17. 17.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
18. 18.🧺 Do we need a drinking straw for the balloon rocket? (a) not needed (b) needed
19. 19.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
20. 20.True or false: a battery cell is not needed for the balloon rocket. (a) False (b) True
21. 21.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) yeast (c) sticky tape (d) two chairs
22. 22.True or false: water from the oars goes forward. (a) False (b) True
23. 23.True or false: water from the oars goes backward. (a) False (b) True
24. 24.🧺 Which of these is needed for the balloon rocket? (a) a drinking straw (b) a battery cell (c) turmeric powder (d) a magnet
25. 25.⚖️ 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 slope of the string
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) turmeric powder (c) a long string (d) a drinking straw
27. 27.⚖️ 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
28. 28.True or false: the balloon goes forward. (a) True (b) False
29. 29.🚀 Which of these goes forward? (a) water from the oars (b) the swimmer (c) water a swimmer pushes (d) air from the balloon
30. 30.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
31. 31.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a long string (c) a battery cell (d) a drinking straw
32. 32.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
33. 33.🧺 Which of these is needed for the balloon rocket? (a) sticky tape (b) a magnet (c) turmeric powder (d) vinegar
34. 34.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) yeast (c) two chairs (d) a long string
35. 35.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
36. 36.True or false: sticky tape is needed for the balloon rocket. (a) False (b) True
37. 37.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
38. 38.🧺 Which of these is needed for the balloon rocket? (a) a balloon (b) turmeric powder (c) a magnet (d) yeast
39. 39.🛟 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
40. 40.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we measure it (b) we keep it the same (c) we change it

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