Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 487 · 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) blow it till it bursts (b) keep it away from faces (c) put string round a neck (d) aim it at your friend
2. 2.True or false: water from the oars goes forward. (a) False (b) True
3. 3.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
4. 4.🛟 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
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) how big we blow it (b) distance it travels (c) the same tape (d) the same straw
6. 6.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) it goes faster (c) more friction, less far (d) less friction
7. 7.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) two chairs (c) turmeric powder (d) sticky tape
8. 8.True or false: a mirror is needed for the balloon rocket. (a) True (b) False
9. 9.True or false: sticky tape is not needed for the balloon rocket. (a) False (b) True
10. 10.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
11. 11.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) backward (c) it stays still (d) forward
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same straw (b) the same tape (c) how big we blow it (d) distance it travels
13. 13.⚖️ 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
14. 14.True or false: the rowing boat goes backward. (a) False (b) True
15. 15.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
16. 16.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it speeds up (c) it travels farther (d) it travels less far
17. 17.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it flies off the string (c) it goes much farther (d) it turns into a kite
18. 18.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) two chairs (c) yeast (d) vinegar
19. 19.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
20. 20.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
21. 21.True or false: yeast is not needed for the balloon rocket. (a) False (b) True
22. 22.🧺 Do we need a drinking straw for the balloon rocket? (a) not needed (b) needed
23. 23.⚖️ 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
24. 24.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
25. 25.🧺 Which of these is not needed for the balloon rocket? (a) a magnet (b) a long string (c) a balloon (d) sticky tape
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a long string (c) a balloon (d) a battery cell
27. 27.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
28. 28.🚀 Which of these goes forward? (a) the balloon (b) water a swimmer pushes (c) gas from the rocket (d) air from the balloon
29. 29.🧺 Which of these is needed for the balloon rocket? (a) a drinking straw (b) vinegar (c) turmeric powder (d) a battery cell
30. 30.🛟 What should you do with popped balloon pieces? (a) chew them (b) throw them away safely (c) keep them in your mouth (d) give them to a baby
31. 31.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) True (b) False
32. 32.True or false: two chairs is not needed for the balloon rocket. (a) False (b) True
33. 33.🚀 Which of these goes forward? (a) the swimmer (b) air from the balloon (c) water a swimmer pushes (d) gas from the rocket
34. 34.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a long string (c) a magnet (d) a mirror
35. 35.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is what we measure. (a) False (b) True
36. 36.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) the string pulls it (c) the straw is heavy (d) a magnet pulls it
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.True or false: the swimmer goes forward. (a) True (b) False
39. 39.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
40. 40.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward

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