Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 155 · 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.⚖️ 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 change it (c) we keep it the same
2. 2.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is the one thing we change. (a) False (b) True
3. 3.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) aim it at your friend (c) keep it away from faces (d) blow it till it bursts
4. 4.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it travels less far (c) it goes backward first (d) it speeds up
5. 5.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a balloon (c) turmeric powder (d) a drinking straw
6. 6.⚖️ 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 measure it (c) we change it
7. 7.True or false: a drinking straw is needed for the balloon rocket. (a) False (b) True
8. 8.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) it goes faster (c) no change at all (d) more friction, less far
9. 9.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
10. 10.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) a battery cell (c) a drinking straw (d) vinegar
11. 11.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
12. 12.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
13. 13.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
14. 14.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
15. 15.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) straight down (c) forward (d) backward
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is what we measure. (a) True (b) False
17. 17.⚖️ 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
18. 18.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it turns into a kite (c) it flies off the string (d) it goes less far
19. 19.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) throw them away safely (c) give them to a baby (d) chew them
20. 20.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
21. 21.🎈 Why does the balloon rocket move along the string? (a) a magnet pulls it (b) escaping air pushes it (c) the straw is heavy (d) the string pulls it
22. 22.🧺 Which of these is needed for the balloon rocket? (a) a long string (b) turmeric powder (c) a battery cell (d) a mirror
23. 23.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
24. 24.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
25. 25.🧺 Do we need a magnet for the balloon rocket? (a) not needed (b) needed
26. 26.True or false: water a swimmer pushes goes forward. (a) False (b) True
27. 27.⚖️ 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
28. 28.🎈 What is the job of the straw on the string? (a) it holds water (b) it blows air in (c) it guides the balloon (d) it makes it heavier
29. 29.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a battery cell (b) two chairs (c) a long string (d) a drinking straw
30. 30.⚖️ 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 measure it (c) we change it
31. 31.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
32. 32.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
33. 33.True or false: turmeric powder is not needed for the balloon rocket. (a) True (b) False
34. 34.🚀 Which of these goes forward? (a) air from the balloon (b) water a swimmer pushes (c) the swimmer (d) water from the oars
35. 35.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) two chairs (c) a mirror (d) sticky tape
36. 36.True or false: yeast is needed for the balloon rocket. (a) False (b) True
37. 37.🧺 Do we need a drinking straw for the balloon rocket? (a) not needed (b) needed
38. 38.🚀 Which of these goes backward? (a) the swimmer (b) the balloon (c) water a swimmer pushes (d) the rowing boat
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) False (b) True
40. 40.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a drinking straw (c) a magnet (d) sticky tape

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