Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 739 · 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 of these goes forward? (a) gas from the rocket (b) water from the oars (c) water a swimmer pushes (d) the rowing boat
2. 2.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a drinking straw (c) sticky tape (d) a mirror
4. 4.⚖️ 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
5. 5.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it can pop loudly (c) it changes colour (d) it gets too heavy
6. 6.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a battery cell (c) a long string (d) two chairs
7. 7.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) it goes faster (b) more friction, less far (c) less friction (d) no change at all
8. 8.⚖️ 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 same straw
9. 9.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) turmeric powder (c) a magnet (d) a drinking straw
10. 10.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) blow it till it bursts (c) keep it away from faces (d) aim it at your friend
11. 11.True or false: the balloon goes backward. (a) True (b) False
12. 12.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
13. 13.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it guides the balloon (c) it blows air in (d) it holds water
14. 14.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes backward (b) goes forward
15. 15.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
16. 16.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) sticky tape (c) a battery cell (d) a drinking straw
17. 17.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
18. 18.⚖️ 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
19. 19.🛟 What should you do with popped balloon pieces? (a) throw them away safely (b) keep them in your mouth (c) chew them (d) give them to a baby
20. 20.⚖️ 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
21. 21.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
22. 22.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a mirror (c) two chairs (d) turmeric powder
23. 23.🚀 Which of these goes forward? (a) water a swimmer pushes (b) water from the oars (c) air from the balloon (d) the rocket
24. 24.True or false: vinegar is needed for the balloon rocket. (a) False (b) True
25. 25.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) a balloon (d) vinegar
26. 26.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) vinegar (c) a drinking straw (d) sticky tape
27. 27.🔮 Predict: the string slopes uphill. What happens? (a) it speeds up (b) it goes backward first (c) it travels farther (d) it travels less far
28. 28.True or false: air from the balloon goes forward. (a) False (b) True
29. 29.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
30. 30.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a balloon (c) a drinking straw (d) yeast
31. 31.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
32. 32.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
33. 33.True or false: gas from the rocket goes backward. (a) False (b) True
34. 34.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
35. 35.🧺 Do we need sticky tape for the balloon rocket? (a) not needed (b) needed
36. 36.🚀 Which of these goes backward? (a) the swimmer (b) the balloon (c) water a swimmer pushes (d) the rocket
37. 37.🚀 Which of these goes backward? (a) water from the oars (b) the rocket (c) the swimmer (d) the balloon
38. 38.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
39. 39.🎈 When does the balloon rocket stop? (a) it never stops (b) when it gets cold (c) when it turns blue (d) when the air runs out
40. 40.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) how big we blow it (c) the slope of the string (d) the same straw

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