Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 469 · 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 is needed for the balloon rocket? (a) yeast (b) two chairs (c) a mirror (d) a magnet
2. 2.🔮 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
3. 3.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it flies off the string (c) it goes less far (d) it turns into a kite
4. 4.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a balloon rocket (b) a fridge magnet (c) a mirror (d) a sundial
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is the one thing we change. (a) False (b) True
6. 6.🚀 Which of these goes backward? (a) water from the oars (b) the rowing boat (c) the rocket (d) the balloon
7. 7.🚀 Which of these goes backward? (a) air from the balloon (b) the rowing boat (c) the rocket (d) the swimmer
8. 8.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
9. 9.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a long string (c) a battery cell (d) a drinking straw
10. 10.True or false: water from the oars goes backward. (a) False (b) True
11. 11.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) the same straw (c) the slope of the string (d) the same string
12. 12.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
13. 13.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it turns into a kite (c) it can pop loudly (d) it gets too heavy
14. 14.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) the rocket (d) gas from the rocket
15. 15.🔮 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
16. 16.True or false: the rocket goes backward. (a) True (b) False
17. 17.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
18. 18.True or false: the rowing boat goes forward. (a) False (b) True
19. 19.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is what we measure. (a) False (b) True
20. 20.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
21. 21.⚖️ 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
22. 22.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
23. 23.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
24. 24.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) sticky tape (c) turmeric powder (d) a balloon
25. 25.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
26. 26.🚀 Which of these goes backward? (a) the rowing boat (b) water a swimmer pushes (c) the swimmer (d) the rocket
27. 27.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a long string (c) sticky tape (d) turmeric powder
28. 28.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same string (b) how big we blow it (c) the same tape (d) the slope of the string
29. 29.🎈 When does the balloon rocket stop? (a) when it turns blue (b) when the air runs out (c) it never stops (d) when it gets cold
30. 30.🧺 Which of these is not needed for the balloon rocket? (a) yeast (b) a drinking straw (c) a long string (d) a balloon
31. 31.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) water a swimmer pushes (d) the balloon
32. 32.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
33. 33.True or false: gas from the rocket goes backward. (a) False (b) True
34. 34.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a mirror (b) sticky tape (c) two chairs (d) a long string
35. 35.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.True or false: air from the balloon goes forward. (a) True (b) False
37. 37.⚖️ 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
38. 38.True or false: turmeric powder is not needed for the balloon rocket. (a) True (b) False
39. 39.🎈 What is the job of the straw on the string? (a) it guides the balloon (b) it makes it heavier (c) it blows air in (d) it holds water
40. 40.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is kept the same. (a) True (b) False

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