Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 790 · 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.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
2. 2.🎈 When does the balloon rocket stop? (a) when it gets cold (b) it never stops (c) when the air runs out (d) when it turns blue
3. 3.True or false: the rocket goes forward. (a) True (b) False
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) distance it travels (b) the same tape (c) how big we blow it
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we keep it the same (b) we change it (c) we measure it
6. 6.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) more friction, less far (c) no change at all (d) it goes faster
7. 7.True or false: air from the balloon goes forward. (a) False (b) True
8. 8.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a sundial (b) a fridge magnet (c) a balloon rocket (d) a mirror
9. 9.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
10. 10.🎈 What is the job of the straw on the string? (a) it blows air in (b) it guides the balloon (c) it holds water (d) it makes it heavier
11. 11.🛟 Which is a safe rule for the balloon rocket? (a) keep it away from faces (b) put string round a neck (c) blow it till it bursts (d) aim it at your friend
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) how big we blow it (b) distance it travels (c) the same straw
13. 13.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) a battery cell (c) a magnet (d) a long string
14. 14.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
15. 15.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it turns into a kite (c) it goes less far (d) it goes much farther
16. 16.True or false: water a swimmer pushes goes forward. (a) False (b) True
17. 17.🚀 Which of these goes forward? (a) air from the balloon (b) gas from the rocket (c) the balloon (d) water a swimmer pushes
18. 18.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a battery cell (c) sticky tape (d) a long string
19. 19.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes backward (b) goes forward
20. 20.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) two chairs (c) a balloon (d) vinegar
21. 21.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) two chairs (c) turmeric powder (d) a mirror
22. 22.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
23. 23.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
24. 24.⚖️ 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 change it (c) we measure it
25. 25.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
26. 26.🚀 Which of these goes backward? (a) the rocket (b) air from the balloon (c) the swimmer (d) the rowing boat
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is what we measure. (a) True (b) False
29. 29.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) give them to a baby (c) throw them away safely (d) chew them
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🛟 Why should you not over-blow the balloon? (a) it can pop loudly (b) it gets too heavy (c) it turns into a kite (d) it changes colour
32. 32.True or false: vinegar is needed for the balloon rocket. (a) False (b) True
33. 33.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
34. 34.⚖️ 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 string (d) how big we blow it
35. 35.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
36. 36.True or false: water a swimmer pushes goes backward. (a) True (b) False
37. 37.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is the one thing we change. (a) True (b) False
38. 38.True or false: a mirror is needed for the balloon rocket. (a) True (b) False
39. 39.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
40. 40.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) vinegar (c) a drinking straw (d) a balloon

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