Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 341 · 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 not needed for the balloon rocket? (a) a long string (b) a mirror (c) two chairs (d) sticky tape
2. 2.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels less far (c) it speeds up (d) it travels farther
3. 3.⚖️ 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) distance it travels (d) the same tape
4. 4.⚖️ 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 slope of the string
5. 5.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) sticky tape (c) vinegar (d) a long string
6. 6.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
7. 7.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a sundial (c) a balloon rocket (d) a mirror
8. 8.True or false: gas from the rocket goes forward. (a) True (b) False
9. 9.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) yeast (c) a drinking straw (d) a battery cell
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) how big we blow it (b) the same tape (c) the same string (d) distance it travels
11. 11.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) a magnet pulls it (c) the string pulls it (d) the straw is heavy
12. 12.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) sticky tape (c) a battery cell (d) a long string
13. 13.True or false: a drinking straw is not needed for the balloon rocket. (a) True (b) False
14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) False (b) True
15. 15.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it turns into a kite (c) it flies off the string (d) it goes less far
16. 16.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
17. 17.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward
18. 18.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
19. 19.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
20. 20.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a long string (c) a magnet (d) a drinking straw
21. 21.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) backward (b) forward (c) straight down (d) it stays still
22. 22.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) a long string (c) turmeric powder (d) vinegar
23. 23.True or false: a balloon is needed for the balloon rocket. (a) True (b) False
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.⚖️ 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
26. 26.⚖️ 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 keep it the same (c) we change it
27. 27.🎈 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
28. 28.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
29. 29.🎈 What is the job of the straw on the string? (a) it holds water (b) it guides the balloon (c) it makes it heavier (d) it blows air in
30. 30.🧺 Which of these is needed for the balloon rocket? (a) a balloon (b) turmeric powder (c) vinegar (d) a battery cell
31. 31.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
32. 32.True or false: water a swimmer pushes goes backward. (a) True (b) False
33. 33.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) put string round a neck (c) keep it away from faces (d) blow it till it bursts
34. 34.🚀 Which of these goes forward? (a) water from the oars (b) air from the balloon (c) the swimmer (d) gas from the rocket
35. 35.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) True (b) False
37. 37.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
38. 38.🚀 Which of these goes backward? (a) the rocket (b) water from the oars (c) the balloon (d) the swimmer
39. 39.⚖️ 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 keep it the same (c) we change it
40. 40.🚀 Which of these goes backward? (a) the swimmer (b) the rowing boat (c) the rocket (d) gas from the rocket

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