Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 665 · 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.🎈 What is the job of the straw on the string? (a) it blows air in (b) it holds water (c) it guides the balloon (d) it makes it heavier
2. 2.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) sticky tape (c) vinegar (d) turmeric powder
3. 3.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) the string pulls it (c) escaping air pushes it (d) a magnet pulls it
4. 4.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a balloon (c) vinegar (d) yeast
5. 5.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) vinegar (c) a long string (d) a balloon
6. 6.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) forward (c) it stays still (d) backward
7. 7.True or false: the rocket goes forward. (a) False (b) True
8. 8.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) yeast (b) a drinking straw (c) sticky tape (d) a balloon
9. 9.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes backward (b) goes forward
10. 10.⚖️ 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 string (c) the same straw (d) distance it travels
11. 11.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is the one thing we change. (a) False (b) True
12. 12.🚀 Which of these goes backward? (a) the balloon (b) water a swimmer pushes (c) the swimmer (d) the rowing boat
13. 13.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) more friction, less far (b) no change at all (c) it goes faster (d) less friction
14. 14.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
15. 15.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
16. 16.🚀 Which of these goes forward? (a) water a swimmer pushes (b) gas from the rocket (c) air from the balloon (d) the rocket
17. 17.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
18. 18.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) two chairs (d) a mirror
21. 21.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) air from the balloon (d) the rowing boat
22. 22.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a mirror (c) a sundial (d) a balloon rocket
23. 23.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) yeast (c) two chairs (d) a magnet
24. 24.True or false: a drinking straw is not needed for the balloon rocket. (a) True (b) False
25. 25.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a drinking straw (c) a long string (d) turmeric powder
26. 26.⚖️ 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) the slope of the string (c) distance it travels
27. 27.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) water from the oars (d) the rowing boat
28. 28.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) two chairs (c) a magnet (d) a balloon
29. 29.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
30. 30.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
31. 31.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
32. 32.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a balloon (c) a long string (d) a mirror
34. 34.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
35. 35.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) vinegar (c) a long string (d) sticky tape
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is what we measure. (a) True (b) False
37. 37.🛟 Why should you not over-blow the balloon? (a) it can pop loudly (b) it turns into a kite (c) it gets too heavy (d) it changes colour
38. 38.⚖️ 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
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 measure it (b) we keep it the same (c) we change it
40. 40.True or false: yeast is needed for the balloon rocket. (a) False (b) True

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