Balloon Rocket STEM Worksheet

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

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