Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 774 · 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.🚀 Which of these goes backward? (a) the rocket (b) the swimmer (c) the balloon (d) water from the oars
2. 2.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a mirror (c) sticky tape (d) a balloon
3. 3.True or false: vinegar is not needed for the balloon rocket. (a) True (b) False
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the slope of the string (b) distance it travels (c) the same straw (d) how big we blow it
5. 5.True or false: a magnet is not needed for the balloon rocket. (a) False (b) True
6. 6.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) turmeric powder (c) a long string (d) two chairs
7. 7.🛟 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
8. 8.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) a balloon (c) a mirror (d) a drinking straw
9. 9.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
10. 10.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) yeast (c) sticky tape (d) a balloon
12. 12.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a battery cell (b) a long string (c) a drinking straw (d) a balloon
13. 13.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
14. 14.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
15. 15.True or false: turmeric powder is not needed for the balloon rocket. (a) False (b) True
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.⚖️ 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 change it (c) we measure it
19. 19.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) a balloon (c) a mirror (d) a magnet
20. 20.⚖️ 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
21. 21.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
22. 22.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
23. 23.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) True (b) False
24. 24.🛟 What should you do with popped balloon pieces? (a) give them to a baby (b) chew them (c) throw them away safely (d) keep them in your mouth
25. 25.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
26. 26.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
27. 27.🚀 Which of these goes backward? (a) the balloon (b) water a swimmer pushes (c) the swimmer (d) the rocket
28. 28.⚖️ 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
29. 29.🎈 When does the balloon rocket stop? (a) when it turns blue (b) it never stops (c) when it gets cold (d) when the air runs out
30. 30.🔮 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
31. 31.True or false: air from the balloon goes forward. (a) True (b) False
32. 32.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) vinegar (c) sticky tape (d) a drinking straw
33. 33.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) sticky tape (c) a mirror (d) a battery cell
34. 34.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) no change at all (c) more friction, less far (d) it goes faster
35. 35.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a drinking straw (c) a battery cell (d) a long string
36. 36.📘 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
37. 37.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) a magnet (c) a mirror (d) a drinking straw
38. 38.🚀 Which of these goes forward? (a) air from the balloon (b) gas from the rocket (c) the swimmer (d) water a swimmer pushes
39. 39.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a magnet (c) sticky tape (d) two chairs
40. 40.True or false: gas from the rocket goes forward. (a) False (b) True

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