Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 609 · 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.⚖️ 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
2. 2.🛟 What should you do with popped balloon pieces? (a) give them to a baby (b) keep them in your mouth (c) chew them (d) throw them away safely
3. 3.True or false: water a swimmer pushes goes forward. (a) False (b) True
4. 4.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
5. 5.True or false: yeast is not needed for the balloon rocket. (a) False (b) True
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is the one thing we change? (a) how big we blow it (b) distance it travels (c) the same string (d) the slope of the string
7. 7.⚖️ 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
8. 8.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) forward (c) straight down (d) backward
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) two chairs (c) turmeric powder (d) a long string
11. 11.🔮 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
12. 12.🔮 Predict: the string slopes uphill. What happens? (a) it goes backward first (b) it travels farther (c) it speeds up (d) it travels less far
13. 13.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) the same straw (b) the same tape (c) the slope of the string (d) distance it travels
14. 14.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) sticky tape (c) vinegar (d) a drinking straw
15. 15.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) water a swimmer pushes (d) the balloon
16. 16.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) distance it travels (b) the slope of the string (c) how big we blow it
17. 17.True or false: the balloon goes backward. (a) True (b) False
18. 18.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it blows air in (c) it holds water (d) it guides the balloon
19. 19.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a mirror (c) sticky tape (d) two chairs
20. 20.🧺 Do we need a magnet for the balloon rocket? (a) not needed (b) needed
21. 21.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
22. 22.🛟 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
23. 23.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) sticky tape (c) two chairs (d) a magnet
24. 24.🚀 Which of these goes backward? (a) the balloon (b) the rocket (c) the rowing boat (d) gas from the rocket
25. 25.True or false: water from the oars goes backward. (a) False (b) True
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a long string (c) a magnet (d) sticky tape
27. 27.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a long string (c) yeast (d) sticky tape
28. 28.🧺 Do we need turmeric powder for the balloon rocket? (a) needed (b) not needed
29. 29.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.True or false: a drinking straw is needed for the balloon rocket. (a) True (b) False
33. 33.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) no change at all (b) it goes faster (c) more friction, less far (d) less friction
34. 34.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
35. 35.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same string”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) yeast (c) sticky tape (d) a balloon
38. 38.🚀 In “push back, move forward”, which way does the balloon go? (a) goes forward (b) goes backward
39. 39.📘 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
40. 40.🧺 Which of these is needed for the balloon rocket? (a) vinegar (b) yeast (c) a mirror (d) a drinking straw

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