Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 278 · 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 “the same tape”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.True or false: water from the oars goes forward. (a) False (b) True
3. 3.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
4. 4.True or false: sticky tape is needed for the balloon rocket. (a) True (b) False
5. 5.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it turns into a kite (c) it flies off the string (d) it goes less far
6. 6.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it blows air in (c) it holds water (d) it guides the balloon
7. 7.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a mirror (c) a drinking straw (d) yeast
8. 8.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) False (b) True
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) how big we blow it (c) the same tape (d) the slope of the string
10. 10.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
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 should you do with popped balloon pieces? (a) give them to a baby (b) keep them in your mouth (c) chew them (d) throw them away safely
13. 13.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a balloon (c) turmeric powder (d) a long string
14. 14.⚖️ 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
15. 15.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) air from the balloon (d) the rowing boat
16. 16.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) no change at all (c) more friction, less far (d) it goes faster
17. 17.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) how big we blow it (c) distance it travels
18. 18.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
19. 19.True or false: the rocket goes forward. (a) True (b) False
20. 20.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) straight down (c) it stays still (d) backward
21. 21.True or false: two chairs is not needed for the balloon rocket. (a) False (b) True
22. 22.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
23. 23.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) escaping air pushes it (c) a magnet pulls it (d) the straw is heavy
24. 24.🛟 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
25. 25.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) sticky tape (c) a balloon (d) turmeric powder
26. 26.True or false: air from the balloon goes forward. (a) True (b) False
27. 27.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a balloon (c) a drinking straw (d) vinegar
28. 28.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) sticky tape (c) two chairs (d) a mirror
31. 31.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
32. 32.True or false: a battery cell is not needed for the balloon rocket. (a) False (b) True
33. 33.🧺 Which of these is needed for the balloon rocket? (a) a balloon (b) a magnet (c) turmeric powder (d) a mirror
34. 34.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is kept the same. (a) False (b) True
35. 35.True or false: vinegar is needed for the balloon rocket. (a) True (b) False
36. 36.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
37. 37.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
38. 38.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) aim it at your friend (c) blow it till it bursts (d) keep it away from faces
39. 39.⚖️ 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
40. 40.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed

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