Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 267 · 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.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
2. 2.🛟 What should you do with popped balloon pieces? (a) give them to a baby (b) chew them (c) keep them in your mouth (d) throw them away safely
3. 3.🎈 What is the job of the straw on the string? (a) it holds water (b) it blows air in (c) it makes it heavier (d) it guides the balloon
4. 4.🚀 Which of these goes forward? (a) water a swimmer pushes (b) air from the balloon (c) the swimmer (d) gas from the rocket
5. 5.🔮 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
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) the same tape (c) the same string (d) the same straw
7. 7.True or false: gas from the rocket goes backward. (a) False (b) True
8. 8.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) how big we blow it (b) distance it travels (c) the slope of the string
9. 9.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed
10. 10.True or false: a drinking straw is not needed for the balloon rocket. (a) True (b) False
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a drinking straw (c) sticky tape (d) turmeric powder
12. 12.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) two chairs (d) vinegar
13. 13.🛟 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
14. 14.True or false: a mirror is not needed for the balloon rocket. (a) True (b) False
15. 15.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) yeast (c) a drinking straw (d) two chairs
17. 17.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
18. 18.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a magnet (c) vinegar (d) a drinking straw
19. 19.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
20. 20.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is the one thing we change. (a) False (b) True
21. 21.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) it stays still (c) straight down (d) backward
22. 22.🎈 When does the balloon rocket stop? (a) when it gets cold (b) it never stops (c) when it turns blue (d) when the air runs out
23. 23.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) distance it travels (b) the same straw (c) the slope of the string (d) how big we blow it
24. 24.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) a magnet pulls it (c) escaping air pushes it (d) the straw is heavy
25. 25.🚀 Which of these goes backward? (a) water from the oars (b) the rocket (c) the swimmer (d) the balloon
26. 26.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
27. 27.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is kept the same. (a) True (b) False
28. 28.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
29. 29.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
30. 30.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
31. 31.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
32. 32.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
33. 33.True or false: water a swimmer pushes goes backward. (a) True (b) False
34. 34.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
35. 35.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it changes colour (c) it gets too heavy (d) it can pop loudly
36. 36.🚀 Which of these goes backward? (a) water a swimmer pushes (b) the balloon (c) the rowing boat (d) the swimmer
37. 37.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
38. 38.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we keep it the same (b) we measure it (c) we change it
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a battery cell (c) a balloon (d) a drinking straw

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