Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 236 · 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? Which of these is kept the same? (a) distance it travels (b) the same straw (c) how big we blow it
2. 2.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it can pop loudly (c) it changes colour (d) it gets too heavy
3. 3.🚀 Which of these goes backward? (a) the rocket (b) the balloon (c) gas from the rocket (d) the rowing boat
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) True (b) False
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same tape (b) how big we blow it (c) the same string (d) the same straw
6. 6.🎈 What is the job of the straw on the string? (a) it blows air in (b) it guides the balloon (c) it makes it heavier (d) it holds water
7. 7.🧺 Which of these is not needed for the balloon rocket? (a) vinegar (b) a drinking straw (c) a long string (d) two chairs
8. 8.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
9. 9.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) two chairs (c) vinegar (d) yeast
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is kept the same. (a) True (b) False
11. 11.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a battery cell (c) a drinking straw (d) a long string
13. 13.⚖️ 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) distance it travels (c) the same string
14. 14.True or false: the balloon goes forward. (a) False (b) True
15. 15.True or false: the rocket goes forward. (a) True (b) False
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same tape (b) how big we blow it (c) distance it travels (d) the slope of the string
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) False (b) True
19. 19.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) sticky tape (c) a long string (d) a magnet
20. 20.True or false: water from the oars goes backward. (a) False (b) True
21. 21.True or false: two chairs is needed for the balloon rocket. (a) False (b) True
22. 22.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
23. 23.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it goes less far (c) it flies off the string (d) it goes much farther
24. 24.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) turmeric powder (c) a balloon (d) a long string
25. 25.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a long string (c) yeast (d) a balloon
26. 26.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
27. 27.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the slope of the string (b) how big we blow it (c) distance it travels
28. 28.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) it goes faster (b) more friction, less far (c) no change at all (d) less friction
29. 29.🚀 Which of these goes forward? (a) the balloon (b) gas from the rocket (c) water a swimmer pushes (d) air from the balloon
30. 30.🧺 Which of these is needed for the balloon rocket? (a) a balloon (b) a magnet (c) turmeric powder (d) a battery cell
31. 31.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a sundial (b) a mirror (c) a fridge magnet (d) a balloon rocket
32. 32.True or false: water a swimmer pushes goes backward. (a) True (b) False
33. 33.🚀 Which of these goes forward? (a) gas from the rocket (b) air from the balloon (c) water a swimmer pushes (d) the rowing boat
34. 34.⚖️ 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) True (b) False
35. 35.True or false: sticky tape is not needed for the balloon rocket. (a) False (b) True
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is what we measure. (a) True (b) False
37. 37.True or false: air from the balloon goes forward. (a) True (b) False
38. 38.True or false: the swimmer goes backward. (a) False (b) True
39. 39.🛟 What should you do with popped balloon pieces? (a) throw them away safely (b) give them to a baby (c) keep them in your mouth (d) chew them
40. 40.🔮 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

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