Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 425 · 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.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
2. 2.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) give them to a baby (c) chew them (d) throw them away safely
3. 3.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
4. 4.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
5. 5.True or false: air from the balloon goes backward. (a) False (b) True
6. 6.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
7. 7.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a sundial (b) a mirror (c) a balloon rocket (d) a fridge magnet
8. 8.🎈 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
9. 9.🚀 Which of these goes forward? (a) gas from the rocket (b) the balloon (c) water from the oars (d) water a swimmer pushes
10. 10.True or false: the swimmer goes backward. (a) True (b) False
11. 11.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) a long string (c) vinegar (d) turmeric powder
12. 12.🚀 Which of these goes backward? (a) the rowing boat (b) the balloon (c) the swimmer (d) water a swimmer pushes
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is kept the same. (a) False (b) True
15. 15.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) yeast (c) a balloon (d) a magnet
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) True (b) False
17. 17.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it goes less far (c) it goes much farther (d) it flies off the string
18. 18.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
19. 19.True or false: air from the balloon goes forward. (a) False (b) True
20. 20.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) two chairs (c) a magnet (d) a long string
21. 21.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
22. 22.🧺 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
23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a long string (c) turmeric powder (d) a balloon
24. 24.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a drinking straw (c) a balloon (d) vinegar
25. 25.🔮 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
26. 26.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) air from the balloon (d) the rocket
27. 27.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
28. 28.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
29. 29.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed
30. 30.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
31. 31.🎈 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
32. 32.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a battery cell (c) two chairs (d) sticky tape
33. 33.🚀 Which of these goes forward? (a) water from the oars (b) the rowing boat (c) water a swimmer pushes (d) air from the balloon
34. 34.🧺 Which of these is not needed for the balloon rocket? (a) a mirror (b) a balloon (c) two chairs (d) a long string
35. 35.🧺 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 balloon
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) True (b) False
37. 37.⚖️ 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 string (c) how big we blow it (d) the same straw
38. 38.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
39. 39.⚖️ 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
40. 40.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed

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