Balloon Rocket STEM Worksheet

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

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