Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 195 · 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 mirror is not needed for the balloon rocket. (a) True (b) False
2. 2.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
3. 3.🎈 Why does the balloon rocket move along the string? (a) the straw is heavy (b) the string pulls it (c) escaping air pushes it (d) a magnet pulls it
4. 4.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
5. 5.🚀 Which of these goes backward? (a) the rocket (b) water a swimmer pushes (c) the balloon (d) the rowing boat
6. 6.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it turns into a kite (d) it can pop loudly
7. 7.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) forward (c) backward (d) it stays still
8. 8.🔮 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
9. 9.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) put string round a neck (c) blow it till it bursts (d) keep it away from faces
10. 10.🎈 What is the job of the straw on the string? (a) it guides the balloon (b) it makes it heavier (c) it blows air in (d) it holds water
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a long string (c) a mirror (d) a balloon
12. 12.🛟 What should you do with popped balloon pieces? (a) throw them away safely (b) give them to a baby (c) chew them (d) keep them in your mouth
13. 13.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) yeast (c) a long string (d) sticky tape
14. 14.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
15. 15.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
16. 16.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
17. 17.True or false: air from the balloon goes forward. (a) True (b) False
18. 18.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a mirror (c) a balloon (d) a drinking straw
19. 19.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a battery cell (c) a drinking straw (d) a balloon
20. 20.True or false: yeast is not needed for the balloon rocket. (a) False (b) True
21. 21.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) two chairs (c) a magnet (d) a drinking straw
23. 23.🚀 Which of these goes backward? (a) air from the balloon (b) the rocket (c) the rowing boat (d) the swimmer
24. 24.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
25. 25.True or false: turmeric powder is not needed for the balloon rocket. (a) True (b) False
26. 26.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) water from the oars (d) the rocket
27. 27.True or false: a battery cell is needed for the balloon rocket. (a) False (b) True
28. 28.🧺 Which of these is needed for the balloon rocket? (a) a drinking straw (b) a battery cell (c) a magnet (d) vinegar
29. 29.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same string (b) distance it travels (c) how big we blow it (d) the same straw
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a balloon (c) turmeric powder (d) a drinking straw
33. 33.🎈 When does the balloon rocket stop? (a) when it turns blue (b) when the air runs out (c) when it gets cold (d) it never stops
34. 34.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) two chairs (c) turmeric powder (d) yeast
35. 35.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) sticky tape (c) vinegar (d) a drinking straw
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is kept the same. (a) True (b) False
39. 39.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) a battery cell (c) a mirror (d) sticky tape
40. 40.🧺 Which of these is needed for the balloon rocket? (a) a balloon (b) a mirror (c) a battery cell (d) turmeric powder

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