Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 474 · 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.🎈 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
2. 2.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
3. 3.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
4. 4.🛟 What should you do with popped balloon pieces? (a) give them to a baby (b) chew them (c) throw them away safely (d) keep them in your mouth
5. 5.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a balloon (c) a mirror (d) two chairs
6. 6.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) no change at all (c) more friction, less far (d) it goes faster
7. 7.🚀 Which of these goes backward? (a) the balloon (b) the rocket (c) the swimmer (d) water from the oars
8. 8.🚀 Which of these goes backward? (a) the balloon (b) water a swimmer pushes (c) the rocket (d) the swimmer
9. 9.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) two chairs (c) a long string (d) a battery cell
10. 10.🚀 Which of these goes forward? (a) water a swimmer pushes (b) the swimmer (c) gas from the rocket (d) air from the balloon
11. 11.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it turns into a kite (c) it goes less far (d) it flies off the string
12. 12.True or false: water from the oars goes backward. (a) True (b) False
13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the slope of the string (b) distance it travels (c) how big we blow it (d) the same straw
14. 14.⚖️ 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 keep it the same (c) we measure it
15. 15.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) straight down (c) forward (d) backward
16. 16.True or false: a magnet is not needed for the balloon rocket. (a) False (b) True
17. 17.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
18. 18.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
19. 19.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True
20. 20.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
21. 21.True or false: a mirror is needed for the balloon rocket. (a) True (b) False
22. 22.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
23. 23.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) a long string (d) a mirror
24. 24.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) a magnet pulls it (c) escaping air pushes it (d) the string pulls it
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.🚀 Which of these goes forward? (a) gas from the rocket (b) water a swimmer pushes (c) the rocket (d) water from the oars
27. 27.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) aim it at your friend (c) put string round a neck (d) keep it away from faces
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) a battery cell (d) sticky tape
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) two chairs (c) vinegar (d) a balloon
32. 32.🧺 Which of these is needed for the balloon rocket? (a) a drinking straw (b) a magnet (c) yeast (d) a mirror
33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is the one thing we change. (a) False (b) True
34. 34.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it turns into a kite (c) it changes colour (d) it can pop loudly
35. 35.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) turmeric powder (c) sticky tape (d) a long string
36. 36.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) two chairs (c) yeast (d) a balloon
37. 37.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
38. 38.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
39. 39.⚖️ 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 string (c) distance it travels (d) the slope of the string
40. 40.⚖️ 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) the same string (c) distance it travels

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