Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 181 · 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.True or false: yeast is needed for the balloon rocket. (a) False (b) True
2. 2.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) True (b) False
3. 3.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it turns into a kite (c) it flies off the string (d) it goes much farther
4. 4.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) keep it away from faces (c) blow it till it bursts (d) put string round a neck
5. 5.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a drinking straw (c) a battery cell (d) sticky tape
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) True (b) False
7. 7.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) vinegar (c) a drinking straw (d) two chairs
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) a magnet (c) a drinking straw (d) a balloon
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same string (b) distance it travels (c) how big we blow it
11. 11.🚀 Which of these goes forward? (a) water from the oars (b) the swimmer (c) water a swimmer pushes (d) gas from the rocket
12. 12.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed
13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is kept the same. (a) False (b) True
14. 14.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) turmeric powder (c) a balloon (d) a magnet
15. 15.🚀 Which of these goes backward? (a) the balloon (b) the rocket (c) air from the balloon (d) the rowing boat
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) True (b) False
17. 17.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels less far (c) it travels farther (d) it speeds up
18. 18.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
19. 19.🛟 What should you do with popped balloon pieces? (a) chew them (b) throw them away safely (c) give them to a baby (d) keep them in your mouth
20. 20.True or false: turmeric powder is needed for the balloon rocket. (a) True (b) False
21. 21.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) yeast (c) a balloon (d) a long string
22. 22.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
23. 23.True or false: sticky tape is not needed for the balloon rocket. (a) False (b) True
24. 24.🧺 Which of these is needed for the balloon rocket? (a) sticky tape (b) a mirror (c) yeast (d) turmeric powder
25. 25.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
26. 26.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.🎈 Why does the balloon rocket move along the string? (a) a magnet pulls it (b) escaping air pushes it (c) the string pulls it (d) the straw is heavy
28. 28.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
29. 29.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
30. 30.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) backward (b) forward (c) straight down (d) it stays still
31. 31.🎈 What is the job of the straw on the string? (a) it guides the balloon (b) it blows air in (c) it makes it heavier (d) it holds water
32. 32.True or false: a long string is not needed for the balloon rocket. (a) False (b) True
33. 33.True or false: gas from the rocket goes backward. (a) True (b) False
34. 34.True or false: the balloon goes backward. (a) False (b) True
35. 35.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it changes colour (c) it can pop loudly (d) it turns into a kite
36. 36.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) False (b) True
37. 37.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) gas from the rocket (d) the rowing boat
38. 38.True or false: the rocket goes forward. (a) True (b) False
39. 39.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a mirror (c) two chairs (d) a long string
40. 40.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a mirror (c) a sundial (d) a balloon rocket

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