Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 485 · 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.True or false: a battery cell is not needed for the balloon rocket. (a) False (b) True
2. 2.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is kept the same. (a) False (b) True
3. 3.⚖️ 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 change it (c) we measure it
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we keep it the same (b) we measure it (c) we change it
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a balloon (c) two chairs (d) a mirror
7. 7.🛟 Which is a safe rule for the balloon rocket? (a) keep it away from faces (b) aim it at your friend (c) blow it till it bursts (d) put string round a neck
8. 8.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a magnet (c) a drinking straw (d) sticky tape
9. 9.🚀 Which of these goes forward? (a) the rowing boat (b) water from the oars (c) gas from the rocket (d) air from the balloon
10. 10.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) two chairs (c) sticky tape (d) a mirror
11. 11.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) two chairs (c) vinegar (d) a drinking straw
12. 12.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
13. 13.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) yeast (b) a long string (c) a balloon (d) sticky tape
14. 14.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
15. 15.🎈 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
16. 16.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a battery cell (b) a long string (c) two chairs (d) a balloon
17. 17.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) how big we blow it (c) distance it travels
18. 18.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
19. 19.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
20. 20.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it flies off the string (c) it turns into a kite (d) it goes less far
21. 21.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) False (b) True
22. 22.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) False (b) True
23. 23.🚀 Which of these goes backward? (a) water from the oars (b) the balloon (c) the rocket (d) the swimmer
24. 24.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a mirror (c) vinegar (d) sticky tape
25. 25.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
26. 26.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a magnet (c) a battery cell (d) a drinking straw
27. 27.True or false: the swimmer goes forward. (a) False (b) True
28. 28.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the slope of the string (b) distance it travels (c) the same string (d) the same tape
29. 29.True or false: gas from the rocket goes forward. (a) True (b) False
30. 30.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
31. 31.⚖️ 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
32. 32.⚖️ 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 straw
33. 33.🎈 When does the balloon rocket stop? (a) when it gets cold (b) it never stops (c) when the air runs out (d) when it turns blue
34. 34.⚖️ 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) distance it travels (c) how big we blow it
35. 35.🚀 Which of these goes forward? (a) water a swimmer pushes (b) the balloon (c) water from the oars (d) air from the balloon
36. 36.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it speeds up (c) it travels less far (d) it travels farther
37. 37.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
38. 38.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a balloon rocket (b) a fridge magnet (c) a sundial (d) a mirror
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is what we measure. (a) False (b) True
40. 40.🛟 Why should you not over-blow the balloon? (a) it can pop loudly (b) it changes colour (c) it gets too heavy (d) it turns into a kite

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