Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 825 · 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 is not needed for the balloon rocket? (a) a drinking straw (b) sticky tape (c) a battery cell (d) two chairs
2. 2.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a magnet (c) a drinking straw (d) a balloon
3. 3.🎈 When does the balloon rocket stop? (a) when it gets cold (b) when the air runs out (c) it never stops (d) when it turns blue
4. 4.⚖️ 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
5. 5.🧺 Do we need a battery cell for the balloon rocket? (a) needed (b) not needed
6. 6.True or false: a magnet is not needed for the balloon rocket. (a) False (b) True
7. 7.True or false: the rowing boat goes backward. (a) False (b) True
8. 8.🎈 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
9. 9.🚀 Which of these goes backward? (a) air from the balloon (b) the swimmer (c) the balloon (d) the rowing boat
10. 10.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a drinking straw (c) turmeric powder (d) a mirror
11. 11.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
12. 12.🛟 Why should you not over-blow the balloon? (a) it gets too heavy (b) it turns into a kite (c) it changes colour (d) it can pop loudly
13. 13.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) two chairs (c) a battery cell (d) a magnet
14. 14.⚖️ 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 change it (c) we measure it
15. 15.True or false: the swimmer goes forward. (a) True (b) False
16. 16.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a balloon rocket (c) a mirror (d) a sundial
17. 17.True or false: water from the oars goes forward. (a) True (b) False
18. 18.🛟 Which is a safe rule for the balloon rocket? (a) aim it at your friend (b) keep it away from faces (c) put string round a neck (d) blow it till it bursts
19. 19.🧺 Do we need two chairs for the balloon rocket? (a) needed (b) not needed
20. 20.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it goes much farther (c) it flies off the string (d) it turns into a kite
21. 21.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) turmeric powder (c) a long string (d) a balloon
22. 22.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) chew them (c) throw them away safely (d) give them to a baby
23. 23.🚀 In “push back, move forward”, which way does gas from the rocket 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 long string for the balloon rocket? (a) not needed (b) needed
26. 26.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is kept the same. (a) False (b) True
27. 27.True or false: turmeric powder is needed for the balloon rocket. (a) True (b) False
28. 28.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🚀 Which of these goes forward? (a) water a swimmer pushes (b) gas from the rocket (c) the swimmer (d) air from the balloon
30. 30.⚖️ 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 tape (c) how big we blow it (d) the slope of the string
31. 31.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) how big we blow it (b) the slope of the string (c) the same string (d) distance it travels
32. 32.True or false: vinegar is needed for the balloon rocket. (a) True (b) False
33. 33.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) a mirror (c) sticky tape (d) turmeric powder
34. 34.🚀 Which of these goes forward? (a) air from the balloon (b) gas from the rocket (c) the rocket (d) water a swimmer pushes
35. 35.⚖️ 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 change it (c) we keep it the same
36. 36.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a drinking straw (c) a balloon (d) a mirror
38. 38.🔮 Predict: the string slopes uphill. What happens? (a) it speeds up (b) it goes backward first (c) it travels less far (d) it travels farther
39. 39.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) less friction (c) it goes faster (d) more friction, less far
40. 40.True or false: two chairs is not needed for the balloon rocket. (a) True (b) False

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