Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 394 · 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.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) it stays still (c) backward (d) forward
3. 3.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a mirror (c) a drinking straw (d) two chairs
4. 4.🧺 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) turmeric powder
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) False (b) True
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same straw”? (a) we measure it (b) we keep it the same (c) we change it
7. 7.🛟 What should you do with popped balloon pieces? (a) throw them away safely (b) keep them in your mouth (c) give them to a baby (d) chew them
8. 8.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a drinking straw (c) sticky tape (d) a battery cell
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the same tape (b) the slope of the string (c) how big we blow it (d) the same string
10. 10.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is the one thing we change. (a) True (b) False
13. 13.⚖️ 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
14. 14.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it turns into a kite (c) it goes less far (d) it goes much farther
15. 15.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) a drinking straw (c) turmeric powder (d) a magnet
16. 16.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a balloon rocket (b) a sundial (c) a fridge magnet (d) a mirror
17. 17.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) turmeric powder (c) a battery cell (d) a balloon
18. 18.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it turns into a kite (d) it can pop loudly
19. 19.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a drinking straw (c) sticky tape (d) yeast
20. 20.True or false: a long string is not needed for the balloon rocket. (a) True (b) False
21. 21.⚖️ 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
22. 22.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) yeast (c) two chairs (d) a drinking straw
24. 24.🧺 Which of these is not needed for the balloon rocket? (a) turmeric powder (b) a balloon (c) a long string (d) sticky tape
25. 25.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward
26. 26.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
27. 27.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a mirror (c) a balloon (d) a long string
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a balloon (c) a long string (d) a magnet
29. 29.True or false: a battery cell is not needed for the balloon rocket. (a) True (b) False
30. 30.⚖️ 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 change it (c) we measure it
31. 31.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is what we measure. (a) True (b) False
32. 32.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
33. 33.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is the one thing we change. (a) True (b) False
34. 34.🧺 Do we need turmeric powder for the balloon rocket? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) a mirror (c) turmeric powder (d) two chairs
36. 36.🧺 Do we need vinegar for the balloon rocket? (a) needed (b) not needed
37. 37.True or false: a balloon is not needed for the balloon rocket. (a) False (b) True
38. 38.⚖️ 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
39. 39.⚖️ 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 same string
40. 40.⚖️ 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

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