Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 799 · 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 needed for the balloon rocket? (a) turmeric powder (b) a drinking straw (c) a magnet (d) yeast
2. 2.🧺 Do we need a magnet for the balloon rocket? (a) needed (b) not needed
3. 3.🚀 Which of these goes forward? (a) gas from the rocket (b) air from the balloon (c) water from the oars (d) the rocket
4. 4.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is kept the same. (a) True (b) False
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same string is kept the same. (a) True (b) False
6. 6.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) a long string (c) sticky tape (d) a battery cell
7. 7.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) straight down (c) backward (d) it stays still
8. 8.🚀 Which of these goes backward? (a) water from the oars (b) the rowing boat (c) the balloon (d) the swimmer
9. 9.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: distance it travels is what we measure. (a) True (b) False
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) the slope of the string (b) the same straw (c) distance it travels (d) how big we blow it
11. 11.🚀 Which of these goes forward? (a) water a swimmer pushes (b) the swimmer (c) gas from the rocket (d) air from the balloon
12. 12.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.True or false: the rowing boat goes backward. (a) True (b) False
14. 14.⚖️ 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
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 change it (c) we measure it
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🛟 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
18. 18.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a mirror (c) a balloon rocket (d) a sundial
19. 19.🛟 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
20. 20.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes backward (b) goes forward
21. 21.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it can pop loudly (c) it changes colour (d) it gets too heavy
22. 22.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a magnet (b) a balloon (c) sticky tape (d) a long string
23. 23.True or false: gas from the rocket goes backward. (a) True (b) False
24. 24.True or false: the rocket goes forward. (a) True (b) False
25. 25.True or false: air from the balloon goes forward. (a) False (b) True
26. 26.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) the straw is heavy (c) the string pulls it (d) a magnet pulls it
27. 27.🎈 When does the balloon rocket stop? (a) when the air runs out (b) when it turns blue (c) it never stops (d) when it gets cold
28. 28.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a balloon (c) yeast (d) sticky tape
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.True or false: vinegar is needed for the balloon rocket. (a) False (b) True
32. 32.🧺 Do we need a mirror for the balloon rocket? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a long string (c) vinegar (d) a drinking straw
34. 34.🧺 Which of these is not needed for the balloon rocket? (a) sticky tape (b) a long string (c) two chairs (d) vinegar
35. 35.🚀 Which of these goes forward? (a) water from the oars (b) gas from the rocket (c) water a swimmer pushes (d) the rowing boat
36. 36.🧺 Do we need a battery cell for the balloon rocket? (a) not needed (b) needed
37. 37.True or false: water from the oars goes backward. (a) True (b) False
38. 38.🚀 In “push back, move forward”, which way does the rocket go? (a) goes forward (b) goes backward
39. 39.🧺 Do we need yeast for the balloon rocket? (a) needed (b) not needed
40. 40.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward

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