Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 951 · 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.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) throw them away safely (c) give them to a baby (d) chew them
2. 2.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) a magnet (d) a balloon
4. 4.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) two chairs (c) a long string (d) turmeric powder
5. 5.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it goes backward first (c) it speeds up (d) it travels less far
6. 6.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a mirror (b) a balloon (c) sticky tape (d) a drinking straw
7. 7.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) more friction, less far (c) less friction (d) it goes faster
8. 8.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) turmeric powder (c) sticky tape (d) a drinking straw
9. 9.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) the straw is heavy (c) a magnet pulls it (d) escaping air pushes it
10. 10.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) two chairs (c) a long string (d) vinegar
11. 11.🚀 Which of these goes backward? (a) the swimmer (b) air from the balloon (c) the balloon (d) the rocket
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same string (b) the slope of the string (c) how big we blow it (d) the same straw
13. 13.🚀 Which of these goes backward? (a) the rowing boat (b) the swimmer (c) water a swimmer pushes (d) the rocket
14. 14.True or false: air from the balloon goes forward. (a) False (b) True
15. 15.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) the same straw (c) the same string (d) the same tape
16. 16.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
17. 17.⚖️ 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) True (b) False
18. 18.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) distance it travels (b) the same string (c) how big we blow it
19. 19.⚖️ 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
20. 20.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) water a swimmer pushes (d) the swimmer
21. 21.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it can pop loudly (c) it turns into a kite (d) it gets too heavy
22. 22.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
23. 23.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
25. 25.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
26. 26.🚀 Which of these goes backward? (a) the swimmer (b) gas from the rocket (c) the rocket (d) the balloon
27. 27.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
28. 28.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) put string round a neck (c) keep it away from faces (d) aim it at your friend
29. 29.True or false: a mirror is not needed for the balloon rocket. (a) False (b) True
30. 30.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) a battery cell (c) turmeric powder (d) sticky tape
31. 31.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
32. 32.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
33. 33.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) backward (c) forward (d) it stays still
34. 34.True or false: gas from the rocket goes forward. (a) False (b) True
35. 35.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it goes much farther (c) it turns into a kite (d) it goes less far
36. 36.True or false: the rocket goes forward. (a) False (b) True
37. 37.True or false: air from the balloon goes backward. (a) True (b) False
38. 38.🚀 Which of these goes forward? (a) the balloon (b) water a swimmer pushes (c) gas from the rocket (d) air from the balloon
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) a mirror (c) turmeric powder (d) a long string

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