Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 24 · 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.🧺 Do we need vinegar for the balloon rocket? (a) not needed (b) needed
2. 2.🧺 Which of these is not needed for the balloon rocket? (a) yeast (b) a balloon (c) sticky tape (d) a drinking straw
3. 3.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “distance it travels”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.True or false: sticky tape is not needed for the balloon rocket. (a) True (b) False
5. 5.⚖️ 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
6. 6.True or false: two chairs is needed for the balloon rocket. (a) True (b) False
7. 7.🚀 In “push back, move forward”, which way does the balloon go? (a) goes backward (b) goes forward
8. 8.🧺 Which of these is not needed for the balloon rocket? (a) a mirror (b) a balloon (c) a long string (d) a drinking straw
9. 9.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) a drinking straw (c) yeast (d) a mirror
10. 10.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
11. 11.True or false: gas from the rocket goes forward. (a) True (b) False
12. 12.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes forward (b) goes backward
13. 13.🛟 Why should you not over-blow the balloon? (a) it turns into a kite (b) it changes colour (c) it can pop loudly (d) it gets too heavy
14. 14.🎈 When does the balloon rocket stop? (a) when it turns blue (b) when it gets cold (c) when the air runs out (d) it never stops
15. 15.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) vinegar (b) a long string (c) a drinking straw (d) a balloon
16. 16.🧺 Do we need sticky tape for the balloon rocket? (a) needed (b) not needed
17. 17.📘 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
18. 18.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is kept the same? (a) the slope of the string (b) distance it travels (c) how big we blow it
19. 19.🚀 In “push back, move forward”, which way does air from the balloon go? (a) goes forward (b) goes backward
20. 20.🧺 Do we need turmeric powder for the balloon rocket? (a) not needed (b) needed
21. 21.True or false: sticky tape is needed for the balloon rocket. (a) True (b) False
22. 22.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same tape is the one thing we change. (a) False (b) True
23. 23.⚖️ 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 change it (c) we measure it
24. 24.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) yeast (c) two chairs (d) sticky tape
25. 25.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) sticky tape (b) a drinking straw (c) a long string (d) a mirror
27. 27.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
28. 28.🧺 Which of these is needed for the balloon rocket? (a) turmeric powder (b) a magnet (c) a long string (d) vinegar
29. 29.🎈 What is the job of the straw on the string? (a) it makes it heavier (b) it holds water (c) it blows air in (d) it guides the balloon
30. 30.⚖️ 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) distance it travels (c) how big we blow it (d) the same string
31. 31.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a balloon (b) a long string (c) a drinking straw (d) a battery cell
32. 32.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes forward (b) goes backward
33. 33.True or false: water a swimmer pushes goes forward. (a) True (b) False
34. 34.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) straight down (b) forward (c) backward (d) it stays still
35. 35.True or false: vinegar is not needed for the balloon rocket. (a) False (b) True
36. 36.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes backward (b) goes forward
37. 37.True or false: turmeric powder is not needed for the balloon rocket. (a) True (b) False
38. 38.🔮 Predict: you use a rough, thick string instead of a smooth one. (a) it goes faster (b) no change at all (c) less friction (d) more friction, less far
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the balloon rocket? (a) a battery cell (b) yeast (c) a magnet (d) sticky tape

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