Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 962 · 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.🔮 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 much farther (d) it goes less far
2. 2.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) keep it away from faces (c) put string round a neck (d) blow it till it bursts
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a mirror (c) two chairs (d) sticky tape
4. 4.🧺 Which of these is not needed for the balloon rocket? (a) turmeric powder (b) sticky tape (c) a drinking straw (d) two chairs
5. 5.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) a magnet (d) a balloon
6. 6.🚀 Which of these goes backward? (a) the rowing boat (b) the rocket (c) air from the balloon (d) the balloon
7. 7.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a balloon (c) a drinking straw (d) a battery cell
8. 8.True or false: water from the oars goes backward. (a) True (b) False
9. 9.⚖️ 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 change it (c) we keep it the same
10. 10.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) a long string (c) sticky tape (d) a drinking straw
11. 11.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is what we measure. (a) False (b) True
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) distance it travels (c) how big we blow it
13. 13.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) vinegar (c) a balloon (d) a mirror
14. 14.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a balloon rocket (c) a sundial (d) a mirror
15. 15.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
16. 16.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
17. 17.True or false: the rocket goes forward. (a) False (b) True
18. 18.🔮 Predict: the string slopes uphill. What happens? (a) it travels less far (b) it goes backward first (c) it travels farther (d) it speeds up
19. 19.🎈 What is the job of the straw on the string? (a) it blows air in (b) it makes it heavier (c) it holds water (d) it guides the balloon
20. 20.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) yeast (b) a drinking straw (c) a balloon (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 the one thing we change. (a) False (b) True
22. 22.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) the rocket (d) air from the balloon
23. 23.⚖️ 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
24. 24.⚖️ 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
25. 25.True or false: the swimmer goes forward. (a) False (b) True
26. 26.🧺 Which of these is not needed for the balloon rocket? (a) a mirror (b) a balloon (c) sticky tape (d) a long string
27. 27.🎈 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
28. 28.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
29. 29.True or false: a drinking straw is needed for the balloon rocket. (a) False (b) True
30. 30.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
31. 31.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) turmeric powder (c) two chairs (d) yeast
32. 32.True or false: a mirror is not needed for the balloon rocket. (a) True (b) False
33. 33.⚖️ 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 measure it (c) we change it
34. 34.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
35. 35.🛟 What should you do with popped balloon pieces? (a) chew them (b) throw them away safely (c) give them to a baby (d) keep them in your mouth
36. 36.True or false: yeast is needed for the balloon rocket. (a) False (b) True
37. 37.🚀 Which of these goes backward? (a) the rowing boat (b) the rocket (c) the swimmer (d) gas from the rocket
38. 38.True or false: a long string is needed for the balloon rocket. (a) True (b) False
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) it goes faster (c) less friction (d) more friction, less far

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