Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 727 · 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? Which of these is the one thing we change? (a) the same string (b) the same tape (c) the same straw (d) how big we blow it
2. 2.🧺 Do we need yeast for the balloon rocket? (a) not needed (b) needed
3. 3.🛟 Why should you not over-blow the balloon? (a) it changes colour (b) it gets too heavy (c) it can pop loudly (d) it turns into a kite
4. 4.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) vinegar (b) a long string (c) a balloon (d) two chairs
5. 5.🔮 Predict: the string slopes uphill. What happens? (a) it speeds up (b) it travels farther (c) it goes backward first (d) it travels less far
6. 6.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the same tape”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) sticky tape (c) two chairs (d) a magnet
8. 8.🛟 Which is a safe rule for the balloon rocket? (a) blow it till it bursts (b) put string round a neck (c) aim it at your friend (d) keep it away from faces
9. 9.🧺 Which of these is not needed for the balloon rocket? (a) a drinking straw (b) vinegar (c) two chairs (d) sticky tape
10. 10.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) two chairs (c) a balloon (d) yeast
11. 11.⚖️ 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
12. 12.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
13. 13.True or false: a long string is needed for the balloon rocket. (a) False (b) True
14. 14.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
15. 15.🚀 Which of these goes forward? (a) gas from the rocket (b) water from the oars (c) the balloon (d) water a swimmer pushes
16. 16.True or false: the rocket goes forward. (a) True (b) False
17. 17.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) two chairs (c) a drinking straw (d) a mirror
18. 18.🧺 Which of these is needed for the balloon rocket? (a) two chairs (b) a magnet (c) vinegar (d) turmeric powder
19. 19.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
20. 20.⚖️ 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
21. 21.⚖️ 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
22. 22.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) less friction (b) it goes faster (c) no change at all (d) more friction, less far
23. 23.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) two chairs (b) sticky tape (c) turmeric powder (d) a long string
24. 24.⚖️ 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 tape
25. 25.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) forward (b) straight down (c) it stays still (d) backward
26. 26.True or false: yeast is needed for the balloon rocket. (a) False (b) True
27. 27.⚖️ 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 string (c) distance it travels
28. 28.True or false: the rowing boat goes forward. (a) False (b) True
29. 29.True or false: yeast is not needed for the balloon rocket. (a) True (b) False
30. 30.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: how big we blow it is kept the same. (a) False (b) True
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) distance it travels (c) the same string (d) the same straw
32. 32.True or false: vinegar is not needed for the balloon rocket. (a) True (b) False
33. 33.🧺 Do we need a mirror for the balloon rocket? (a) not needed (b) needed
34. 34.True or false: the balloon goes backward. (a) False (b) True
35. 35.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes much farther (b) it goes less far (c) it flies off the string (d) it turns into a kite
36. 36.🧺 Which of these is needed for the balloon rocket? (a) a mirror (b) a magnet (c) a long string (d) a battery cell
37. 37.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes backward (b) goes forward
38. 38.True or false: water from the oars goes forward. (a) False (b) True
39. 39.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is kept the same. (a) True (b) False
40. 40.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) a battery cell (c) a long string (d) two chairs

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids