Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 931 · 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.🎈 When does the balloon rocket stop? (a) when it turns blue (b) it never stops (c) when it gets cold (d) when the air runs out
2. 2.True or false: turmeric powder is not needed for the balloon rocket. (a) True (b) False
3. 3.🔮 Predict: you blow the balloon up only a little. What happens? (a) it flies off the string (b) it goes less far (c) it goes much farther (d) it turns into a kite
4. 4.🛟 What should you do with popped balloon pieces? (a) chew them (b) give them to a baby (c) throw them away safely (d) keep them in your mouth
5. 5.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) blow it till it bursts (c) aim it at your friend (d) keep it away from faces
6. 6.🧺 Do we need a balloon for the balloon rocket? (a) not needed (b) needed
7. 7.True or false: a magnet is needed for the balloon rocket. (a) True (b) False
8. 8.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the balloon rocket? (a) sticky tape (b) vinegar (c) a mirror (d) yeast
10. 10.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
11. 11.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) sticky tape (c) a magnet (d) two chairs
12. 12.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the slope of the string (b) how big we blow it (c) the same straw (d) distance it travels
14. 14.🧺 Which of these is not needed for the balloon rocket? (a) a long string (b) a drinking straw (c) vinegar (d) a balloon
15. 15.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a battery cell (c) a long string (d) a drinking straw
16. 16.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) backward (c) straight down (d) forward
17. 17.True or false: a drinking straw is not needed for the balloon rocket. (a) True (b) False
18. 18.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a long string (d) sticky tape
19. 19.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the slope of the string is the one thing we change. (a) False (b) True
20. 20.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) a mirror (c) two chairs (d) vinegar
21. 21.⚖️ 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 change it (c) we keep it the same
22. 22.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
23. 23.True or false: the rocket goes backward. (a) True (b) False
24. 24.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
25. 25.⚖️ 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) how big we blow it (d) the slope of the string
26. 26.🎈 Why does the balloon rocket move along the string? (a) the string pulls it (b) a magnet pulls it (c) the straw is heavy (d) escaping air pushes it
27. 27.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is kept the same. (a) False (b) True
28. 28.🧺 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
29. 29.🧺 Do we need a drinking straw for the balloon rocket? (a) not needed (b) needed
30. 30.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it gets too heavy (c) it changes colour (d) it can pop loudly
31. 31.True or false: water a swimmer pushes goes backward. (a) True (b) False
32. 32.⚖️ 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
33. 33.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
34. 34.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the same tape (b) distance it travels (c) how big we blow it
35. 35.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
36. 36.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
37. 37.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a mirror (b) a sundial (c) a balloon rocket (d) a fridge magnet
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) the same straw (c) distance it travels
40. 40.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) yeast (c) turmeric powder (d) a balloon

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