Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 316 · 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: water from the oars goes backward. (a) False (b) True
2. 2.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) turmeric powder (c) a mirror (d) a balloon
3. 3.🛟 What should you do with popped balloon pieces? (a) chew them (b) keep them in your mouth (c) throw them away safely (d) give them to a baby
4. 4.True or false: a drinking straw is not needed for the balloon rocket. (a) True (b) False
5. 5.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
6. 6.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) the rocket (d) air from the balloon
7. 7.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a mirror (b) a fridge magnet (c) a balloon rocket (d) a sundial
8. 8.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
9. 9.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed
10. 10.🚀 Which of these goes backward? (a) the swimmer (b) the rocket (c) water a swimmer pushes (d) the balloon
11. 11.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a balloon (c) turmeric powder (d) a drinking straw
12. 12.🚀 Which of these goes forward? (a) water from the oars (b) the balloon (c) air from the balloon (d) water a swimmer pushes
13. 13.True or false: air from the balloon goes forward. (a) True (b) False
14. 14.🚀 Which of these goes forward? (a) water from the oars (b) water a swimmer pushes (c) air from the balloon (d) the swimmer
15. 15.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a mirror (b) a long string (c) two chairs (d) a balloon
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.⚖️ 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 straw (c) how big we blow it
18. 18.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) turmeric powder (c) vinegar (d) two chairs
19. 19.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it can pop loudly (c) it gets too heavy (d) it changes colour
20. 20.🛟 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
21. 21.⚖️ 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) the same straw (c) distance it travels (d) how big we blow it
22. 22.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) sticky tape (c) a battery cell (d) a long string
23. 23.⚖️ 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 tape (c) how big we blow it
24. 24.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.True or false: a mirror is not needed for the balloon rocket. (a) False (b) True
29. 29.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a magnet (c) two chairs (d) sticky tape
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is kept the same. (a) False (b) True
31. 31.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
32. 32.True or false: the swimmer goes backward. (a) False (b) True
33. 33.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) air from the balloon (d) the rowing boat
34. 34.⚖️ 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 tape (c) the same straw (d) how big we blow it
35. 35.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) it stays still (c) backward (d) forward
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we keep it the same (b) we change it (c) we measure it
37. 37.True or false: the rocket goes forward. (a) False (b) True
38. 38.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
39. 39.⚖️ 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 keep it the same (c) we change it
40. 40.🚀 Which of these goes backward? (a) the balloon (b) the swimmer (c) the rowing boat (d) gas from the rocket

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