Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 92 · 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.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
2. 2.True or false: gas from the rocket goes backward. (a) False (b) True
3. 3.True or false: water a swimmer pushes goes forward. (a) True (b) False
4. 4.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
5. 5.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same string (b) the same tape (c) the slope of the string (d) distance it travels
7. 7.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
8. 8.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) it goes faster (b) less friction (c) more friction, less far (d) no change at all
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) True (b) False
10. 10.True or false: a mirror is not needed for the balloon rocket. (a) False (b) True
11. 11.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it turns into a kite (c) it gets too heavy (d) it can pop loudly
12. 12.⚖️ 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
13. 13.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
14. 14.🎈 When does the balloon rocket stop? (a) it never stops (b) when it gets cold (c) when the air runs out (d) when it turns blue
15. 15.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) distance it travels (b) how big we blow it (c) the same straw
16. 16.True or false: yeast is needed for the balloon rocket. (a) True (b) False
17. 17.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) how big we blow it (b) the same string (c) the same tape (d) distance it travels
18. 18.🔮 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 less far (d) it goes much farther
19. 19.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
20. 20.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels farther (c) it travels less far (d) it speeds up
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.🚀 Which of these goes backward? (a) the swimmer (b) the balloon (c) the rowing boat (d) gas from the rocket
23. 23.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
24. 24.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) the straw is heavy (c) escaping air pushes it (d) a magnet pulls it
25. 25.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.⚖️ 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 keep it the same (c) we change it
27. 27.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a battery cell (c) a drinking straw (d) a balloon
28. 28.True or false: two chairs is not needed for the balloon rocket. (a) True (b) False
29. 29.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) sticky tape (c) a drinking straw (d) a long string
30. 30.⚖️ 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
31. 31.🎈 What is the job of the straw on the string? (a) it holds water (b) it blows air in (c) it makes it heavier (d) it guides the balloon
32. 32.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
33. 33.🧺 Do we need a magnet for the balloon rocket? (a) not needed (b) needed
34. 34.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a long string (c) sticky tape (d) a magnet
35. 35.🚀 Which of these goes forward? (a) the balloon (b) water from the oars (c) water a swimmer pushes (d) gas from the rocket
36. 36.True or false: gas from the rocket goes forward. (a) True (b) False
37. 37.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) False (b) True
38. 38.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) straight down (c) backward (d) it stays still
39. 39.🚀 Which of these goes backward? (a) water a swimmer pushes (b) the swimmer (c) the balloon (d) the rocket
40. 40.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a balloon (c) yeast (d) a drinking straw

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