Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 683 · 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.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
2. 2.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it goes less far (c) it turns into a kite (d) it goes much farther
3. 3.🧺 Which of these is needed for the balloon rocket? (a) sticky tape (b) a battery cell (c) a mirror (d) yeast
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) how big we blow it (b) distance it travels (c) the same string (d) the slope of the string
5. 5.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
6. 6.🧺 Which of these is needed for the balloon rocket? (a) a long string (b) a mirror (c) turmeric powder (d) a magnet
7. 7.🚀 Which of these goes forward? (a) water a swimmer pushes (b) air from the balloon (c) gas from the rocket (d) the rowing boat
8. 8.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a long string (c) turmeric powder (d) a drinking straw
9. 9.🚀 Which of these goes forward? (a) water a swimmer pushes (b) the balloon (c) water from the oars (d) air from the balloon
10. 10.🎈 When does the balloon rocket stop? (a) when it turns blue (b) when the air runs out (c) it never stops (d) when it gets cold
11. 11.⚖️ 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
12. 12.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
13. 13.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
14. 14.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) sticky tape (c) a mirror (d) a balloon
15. 15.True or false: sticky tape is not needed for the balloon rocket. (a) False (b) True
16. 16.🚀 Which of these goes backward? (a) air from the balloon (b) the rocket (c) the balloon (d) the swimmer
17. 17.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is kept the same. (a) False (b) True
18. 18.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a sundial (b) a mirror (c) a balloon rocket (d) a fridge magnet
19. 19.True or false: a long string is needed for the balloon rocket. (a) True (b) False
20. 20.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) less friction (c) it goes faster (d) more friction, less far
21. 21.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) two chairs (c) a long string (d) yeast
22. 22.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) turmeric powder (c) a balloon (d) a magnet
23. 23.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) backward (c) forward (d) it stays still
24. 24.⚖️ 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
25. 25.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
26. 26.🚀 Which of these goes forward? (a) water a swimmer pushes (b) the swimmer (c) air from the balloon (d) gas from the rocket
27. 27.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it can pop loudly (c) it gets too heavy (d) it changes colour
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a mirror (b) a long string (c) a drinking straw (d) a balloon
29. 29.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) put string round a neck (c) keep it away from faces (d) aim it at your friend
30. 30.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
31. 31.True or false: vinegar is needed for the balloon rocket. (a) True (b) False
32. 32.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
33. 33.True or false: yeast is needed for the balloon rocket. (a) False (b) True
34. 34.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) water a swimmer pushes (d) the rocket
35. 35.🚀 Which of these goes backward? (a) the swimmer (b) gas from the rocket (c) the rowing boat (d) the balloon
36. 36.🎈 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
37. 37.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a balloon (c) a battery cell (d) a drinking straw
39. 39.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a balloon (c) a long string (d) turmeric powder
40. 40.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward

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