Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 884 · 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 slope of the string is kept the same. (a) False (b) True
2. 2.True or false: a long string is needed for the balloon rocket. (a) True (b) False
3. 3.🛟 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
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.⚖️ 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
6. 6.True or false: gas from the rocket goes forward. (a) False (b) True
7. 7.⚖️ 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 same string (c) distance it travels
8. 8.🚀 Which of these goes forward? (a) the balloon (b) water from the oars (c) water a swimmer pushes (d) air from the balloon
9. 9.True or false: water from the oars goes forward. (a) True (b) False
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we keep it the same (b) we change it (c) we measure it
11. 11.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
12. 12.⚖️ 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
13. 13.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
14. 14.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) the string pulls it (c) a magnet pulls it (d) the straw is heavy
15. 15.True or false: the swimmer goes forward. (a) False (b) True
16. 16.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it can pop loudly (d) it turns into a kite
17. 17.True or false: vinegar is needed for the balloon rocket. (a) False (b) True
18. 18.True or false: sticky tape is needed for the balloon rocket. (a) False (b) True
19. 19.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) vinegar (c) a battery cell (d) two chairs
20. 20.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a long string (c) turmeric powder (d) two chairs
21. 21.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is what we measure. (a) False (b) True
22. 22.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same straw (b) how big we blow it (c) the slope of the string (d) the same string
23. 23.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
24. 24.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
25. 25.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) False (b) True
26. 26.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
27. 27.True or false: air from the balloon goes forward. (a) False (b) True
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a balloon (c) a mirror (d) a long string
29. 29.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed
32. 32.True or false: the rowing boat goes backward. (a) False (b) True
33. 33.🚀 Which of these goes backward? (a) the balloon (b) water from the oars (c) the swimmer (d) the rowing boat
34. 34.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) backward (c) it stays still (d) straight down
35. 35.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it turns into a kite (c) it goes less far (d) it goes much farther
36. 36.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a mirror (b) a fridge magnet (c) a sundial (d) a balloon rocket
37. 37.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) vinegar (b) a balloon (c) a drinking straw (d) sticky tape
38. 38.⚖️ 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
39. 39.🧺 Do we need a drinking straw for the balloon rocket? (a) not needed (b) needed
40. 40.🧺 Do we need turmeric powder for the balloon rocket? (a) needed (b) not needed

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