Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 872 · 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? True or false: the same tape is kept the same. (a) True (b) False
2. 2.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) distance it travels (b) how big we blow it (c) the same string
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a mirror (c) a long string (d) a balloon
4. 4.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) no change at all (c) it goes faster (d) more friction, less far
5. 5.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
6. 6.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it changes colour (c) it gets too heavy (d) it can pop loudly
7. 7.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it travels less far (c) it goes backward first (d) it speeds up
8. 8.🎈 What is the job of the straw on the string? (a) it holds water (b) it blows air in (c) it makes it heavier (d) it guides the balloon
9. 9.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
10. 10.⚖️ 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 change it (c) we keep it the same
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a long string (c) a battery cell (d) a balloon
12. 12.🚀 Which of these goes backward? (a) the rowing boat (b) the balloon (c) the rocket (d) water a swimmer pushes
13. 13.True or false: air from the balloon goes forward. (a) True (b) False
14. 14.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) backward (b) forward (c) it stays still (d) straight down
15. 15.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
16. 16.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
17. 17.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
18. 18.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same straw (b) distance it travels (c) the slope of the string (d) the same string
19. 19.True or false: the rowing boat goes backward. (a) False (b) True
20. 20.🧺 Which of these is not needed for the balloon rocket? (a) vinegar (b) sticky tape (c) a long string (d) a drinking straw
21. 21.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a balloon (c) a magnet (d) a long string
22. 22.True or false: a long string is needed for the balloon rocket. (a) False (b) True
23. 23.🚀 Which of these goes forward? (a) gas from the rocket (b) air from the balloon (c) the swimmer (d) water a swimmer pushes
24. 24.True or false: yeast is not needed for the balloon rocket. (a) True (b) False
25. 25.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it flies off the string (c) it goes less far (d) it goes much farther
26. 26.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same tape (b) how big we blow it (c) the same straw (d) the same string
27. 27.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a magnet (b) a long string (c) two chairs (d) a drinking straw
28. 28.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
29. 29.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is kept the same. (a) True (b) False
30. 30.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) sticky tape (c) a battery cell (d) a mirror
31. 31.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True
32. 32.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) True (b) False
33. 33.True or false: gas from the rocket goes backward. (a) True (b) False
34. 34.🛟 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
35. 35.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🚀 Which of these goes backward? (a) the swimmer (b) water from the oars (c) the rowing boat (d) the rocket
37. 37.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) a magnet pulls it (c) the string pulls it (d) escaping air pushes it
38. 38.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
39. 39.🚀 Which of these goes forward? (a) water from the oars (b) the rocket (c) water a swimmer pushes (d) air from the balloon
40. 40.True or false: air from the balloon goes backward. (a) False (b) True

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