Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 396 · 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.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a battery cell (b) two chairs (c) a balloon (d) a long string
2. 2.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) turmeric powder (c) a drinking straw (d) a long string
3. 3.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
4. 4.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it changes colour (c) it can pop loudly (d) it turns into a kite
5. 5.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
6. 6.🚀 Which of these goes forward? (a) water from the oars (b) gas from the rocket (c) the rocket (d) air from the balloon
7. 7.🚀 Which of these goes backward? (a) gas from the rocket (b) the balloon (c) the rocket (d) the rowing boat
8. 8.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same tape (b) how big we blow it (c) distance it travels
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we change it (b) we measure it (c) we keep it the same
10. 10.⚖️ 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 tape (c) the slope of the string (d) how big we blow it
11. 11.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
12. 12.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) backward (c) forward (d) straight down
13. 13.True or false: yeast is needed for the balloon rocket. (a) False (b) True
14. 14.⚖️ 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
15. 15.⚖️ 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
16. 16.🚀 Which of these goes forward? (a) the balloon (b) water a swimmer pushes (c) gas from the rocket (d) air from the balloon
17. 17.True or false: a long string is needed for the balloon rocket. (a) False (b) True
18. 18.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.📘 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
21. 21.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it guides the balloon (c) it holds water (d) it blows air in
22. 22.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
23. 23.True or false: the swimmer goes backward. (a) False (b) True
24. 24.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
25. 25.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True
26. 26.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a long string (c) a mirror (d) yeast
27. 27.True or false: the rowing boat goes backward. (a) True (b) False
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) two chairs (c) a balloon (d) yeast
29. 29.True or false: the balloon goes forward. (a) True (b) False
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is what we measure. (a) True (b) False
31. 31.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.🔮 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
34. 34.⚖️ 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) distance it travels (c) how big we blow it (d) the same straw
35. 35.⚖️ 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 keep it the same (c) we change it
36. 36.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) more friction, less far (b) it goes faster (c) no change at all (d) less friction
37. 37.True or false: water a swimmer pushes goes forward. (a) False (b) True
38. 38.⚖️ 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 measure it (c) we change it
39. 39.⚖️ 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
40. 40.🎈 When does the balloon rocket stop? (a) when it turns blue (b) when it gets cold (c) it never stops (d) when the air runs out

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