Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 398 · 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 drinking straw for the balloon rocket? (a) needed (b) not needed
2. 2.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a mirror (b) a balloon rocket (c) a fridge magnet (d) a sundial
3. 3.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) vinegar (d) a balloon
5. 5.True or false: water from the oars goes backward. (a) True (b) False
6. 6.🧺 Which of these is needed for the balloon rocket? (a) two chairs (b) yeast (c) a magnet (d) turmeric powder
7. 7.🔮 Predict: the string slopes uphill. What happens? (a) it speeds up (b) it goes backward first (c) it travels farther (d) it travels less far
8. 8.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) turmeric powder (c) two chairs (d) a balloon
9. 9.True or false: a long string is needed for the balloon rocket. (a) True (b) False
10. 10.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
11. 11.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) water a swimmer pushes (d) the swimmer
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a drinking straw (d) two chairs
14. 14.🚀 Which of these goes backward? (a) air from the balloon (b) the balloon (c) the swimmer (d) the rocket
15. 15.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
16. 16.⚖️ 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
17. 17.🎈 When does the balloon rocket stop? (a) when it gets cold (b) when the air runs out (c) it never stops (d) when it turns blue
18. 18.🛟 What should you do with popped balloon pieces? (a) throw them away safely (b) keep them in your mouth (c) chew them (d) give them to a baby
19. 19.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) two chairs (c) a long string (d) a magnet
20. 20.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
21. 21.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a mirror (b) two chairs (c) sticky tape (d) a balloon
23. 23.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
24. 24.🚀 Which of these goes forward? (a) water from the oars (b) the balloon (c) water a swimmer pushes (d) air from the balloon
25. 25.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
26. 26.True or false: the balloon goes forward. (a) False (b) True
27. 27.True or false: the rocket goes forward. (a) False (b) True
28. 28.🎈 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
29. 29.⚖️ 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) the same tape (c) how big we blow it (d) the slope of the string
30. 30.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
31. 31.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) a mirror (c) a long string (d) turmeric powder
32. 32.True or false: the swimmer goes backward. (a) True (b) False
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) False (b) True
35. 35.🚀 Which of these goes forward? (a) gas from the rocket (b) the rocket (c) air from the balloon (d) water a swimmer pushes
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
38. 38.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it goes less far (c) it turns into a kite (d) it flies off the string
39. 39.True or false: the rocket goes backward. (a) False (b) True
40. 40.True or false: a mirror is needed for the balloon rocket. (a) True (b) False

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