Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 714 · 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.🚀 Which of these goes forward? (a) the rocket (b) water a swimmer pushes (c) water from the oars (d) air from the balloon
3. 3.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
4. 4.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) vinegar (d) two chairs
5. 5.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a balloon (c) yeast (d) a drinking straw
6. 6.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it can pop loudly (d) it turns into a kite
7. 7.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) how big we blow it (c) distance it travels
8. 8.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) more friction, less far (c) it goes faster (d) no change at all
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) vinegar (c) a balloon (d) yeast
11. 11.⚖️ 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
12. 12.True or false: air from the balloon goes backward. (a) True (b) False
13. 13.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it speeds up (c) it goes backward first (d) it travels less far
14. 14.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
15. 15.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
16. 16.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) keep it away from faces (c) blow it till it bursts (d) aim it at your friend
17. 17.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
18. 18.True or false: water from the oars goes forward. (a) True (b) False
19. 19.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a magnet (c) two chairs (d) a long string
20. 20.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) chew them (c) throw them away safely (d) give them to a baby
21. 21.🚀 Which of these goes backward? (a) the rocket (b) water from the oars (c) the swimmer (d) the rowing boat
22. 22.True or false: water a swimmer pushes goes forward. (a) False (b) True
23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a battery cell (b) a balloon (c) a long string (d) two chairs
24. 24.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) straight down (c) backward (d) it stays still
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a battery cell (c) sticky tape (d) a balloon
27. 27.🚀 Which of these goes forward? (a) gas from the rocket (b) the swimmer (c) water from the oars (d) water a swimmer pushes
28. 28.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a mirror (c) a sundial (d) a balloon rocket
29. 29.🚀 Which of these goes backward? (a) the balloon (b) the rocket (c) gas from the rocket (d) the swimmer
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is what we measure. (a) False (b) True
31. 31.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
32. 32.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same tape (b) the same straw (c) distance it travels (d) the same string
34. 34.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes backward (b) goes forward
35. 35.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
36. 36.🚀 Which of these goes forward? (a) water from the oars (b) gas from the rocket (c) water a swimmer pushes (d) the rowing boat
37. 37.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) two chairs (c) sticky tape (d) a mirror
38. 38.🧺 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 long string
39. 39.⚖️ 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
40. 40.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True

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