Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 52 · 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.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) sticky tape (d) a magnet
2. 2.True or false: the swimmer goes backward. (a) False (b) True
3. 3.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a balloon rocket (b) a mirror (c) a fridge magnet (d) a sundial
4. 4.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) two chairs (c) a balloon (d) a long string
5. 5.True or false: the rowing boat goes forward. (a) False (b) True
6. 6.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
7. 7.🚀 Which of these goes backward? (a) the rowing boat (b) water from the oars (c) the rocket (d) the balloon
8. 8.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) give them to a baby (c) throw them away safely (d) chew them
9. 9.🎈 When does the balloon rocket stop? (a) it never stops (b) when the air runs out (c) when it gets cold (d) when it turns blue
10. 10.⚖️ 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
11. 11.🚀 Which of these goes forward? (a) air from the balloon (b) water a swimmer pushes (c) water from the oars (d) the rowing boat
12. 12.⚖️ 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) how big we blow it (d) distance it travels
13. 13.⚖️ 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
14. 14.True or false: turmeric powder is not needed for the balloon rocket. (a) False (b) True
15. 15.True or false: a long string is needed for the balloon rocket. (a) True (b) False
16. 16.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it turns into a kite (d) it can pop loudly
17. 17.True or false: a magnet is not needed for the balloon rocket. (a) True (b) False
18. 18.🔮 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
19. 19.True or false: the swimmer goes forward. (a) False (b) True
20. 20.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) the straw is heavy (c) the string pulls it (d) a magnet pulls it
21. 21.🧺 Which of these is not needed for the balloon rocket? (a) a battery cell (b) a long string (c) a drinking straw (d) two chairs
22. 22.True or false: water a swimmer pushes goes backward. (a) False (b) True
23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a drinking straw (c) two chairs (d) vinegar
24. 24.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) True (b) False
25. 25.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels farther (c) it travels less far (d) it speeds up
26. 26.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🚀 Which of these goes backward? (a) air from the balloon (b) the rocket (c) the balloon (d) the rowing boat
28. 28.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
29. 29.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
30. 30.True or false: gas from the rocket goes backward. (a) True (b) False
31. 31.True or false: the rocket goes backward. (a) True (b) False
32. 32.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) two chairs (c) a mirror (d) sticky tape
33. 33.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
34. 34.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) less friction (c) more friction, less far (d) it goes faster
35. 35.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a drinking straw (c) turmeric powder (d) yeast
36. 36.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) yeast (c) two chairs (d) a mirror
37. 37.🎈 What is the job of the straw on the string? (a) it holds water (b) it guides the balloon (c) it makes it heavier (d) it blows air in
38. 38.🚀 Which of these goes forward? (a) the swimmer (b) water a swimmer pushes (c) gas from the rocket (d) air from the balloon
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is what we measure. (a) True (b) False

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