Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 501 · 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: two chairs is needed for the balloon rocket. (a) True (b) False
2. 2.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes backward (b) goes forward
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a long string (c) a drinking straw (d) turmeric powder
4. 4.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) more friction, less far (b) it goes faster (c) less friction (d) no change at all
5. 5.📘 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
6. 6.⚖️ 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
7. 7.True or false: air from the balloon goes forward. (a) True (b) False
8. 8.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) sticky tape (c) two chairs (d) a mirror
9. 9.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
10. 10.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a battery cell (c) two chairs (d) turmeric powder
11. 11.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same straw (b) the same tape (c) distance it travels (d) how big we blow it
13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we keep it the same (b) we change it (c) we measure it
14. 14.True or false: vinegar is not needed for the balloon rocket. (a) True (b) False
15. 15.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it goes much farther (c) it flies off the string (d) it turns into a kite
16. 16.True or false: yeast is needed for the balloon rocket. (a) False (b) True
17. 17.🚀 Which of these goes forward? (a) water from the oars (b) gas from the rocket (c) air from the balloon (d) the swimmer
18. 18.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it can pop loudly (c) it changes colour (d) it turns into a kite
19. 19.True or false: a magnet is needed for the balloon rocket. (a) False (b) True
20. 20.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a magnet (b) a long string (c) a drinking straw (d) a balloon
21. 21.🛟 Which is a safe rule for the balloon rocket? (a) keep it away from faces (b) blow it till it bursts (c) put string round a neck (d) aim it at your friend
22. 22.True or false: a mirror is needed for the balloon rocket. (a) False (b) True
23. 23.🎈 What is the job of the straw on the string? (a) it blows air in (b) it makes it heavier (c) it guides the balloon (d) it holds water
24. 24.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
25. 25.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
26. 26.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a battery cell (c) yeast (d) a drinking straw
27. 27.🚀 Which of these goes forward? (a) the rowing boat (b) air from the balloon (c) water a swimmer pushes (d) water from the oars
28. 28.⚖️ 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) how big we blow it (c) the same string (d) distance it travels
29. 29.🚀 Which of these goes backward? (a) the rocket (b) the rowing boat (c) gas from the rocket (d) the balloon
30. 30.🧺 Which of these is not needed for the balloon rocket? (a) vinegar (b) sticky tape (c) a long string (d) a balloon
31. 31.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) it stays still (c) straight down (d) backward
32. 32.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
33. 33.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) yeast (c) a drinking straw (d) a long string
34. 34.🚀 Which of these goes backward? (a) the balloon (b) the rocket (c) the swimmer (d) water a swimmer pushes
35. 35.True or false: the swimmer goes forward. (a) True (b) False
36. 36.🚀 Which of these goes forward? (a) gas from the rocket (b) air from the balloon (c) the rocket (d) water a swimmer pushes
37. 37.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
38. 38.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
39. 39.True or false: a drinking straw is needed for the balloon rocket. (a) False (b) True
40. 40.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) escaping air pushes it (c) a magnet pulls it (d) the straw is heavy

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