Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 526 · 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.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
2. 2.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it travels less far (c) it goes backward first (d) it speeds up
3. 3.🧺 Do we need a long string for the balloon rocket? (a) needed (b) not needed
4. 4.🚀 In “push back, move forward”, which way does the rocket go? (a) goes backward (b) goes forward
5. 5.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🚀 Which of these goes backward? (a) air from the balloon (b) the rowing boat (c) the balloon (d) the rocket
7. 7.⚖️ 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
8. 8.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “how big we blow it”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.🧺 Which of these is not needed for the balloon rocket? (a) vinegar (b) a drinking straw (c) a balloon (d) a long string
12. 12.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) straight down (c) forward (d) backward
13. 13.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
14. 14.🧺 Do we need two chairs for the balloon rocket? (a) not needed (b) needed
15. 15.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) throw them away safely (c) chew them (d) give them to a baby
16. 16.🚀 Which of these goes backward? (a) the balloon (b) the rowing boat (c) the rocket (d) water a swimmer pushes
17. 17.True or false: water from the oars goes backward. (a) True (b) False
18. 18.True or false: a magnet is not needed for the balloon rocket. (a) False (b) True
19. 19.🚀 Which of these goes forward? (a) water a swimmer pushes (b) water from the oars (c) the swimmer (d) gas from the rocket
20. 20.🧺 Which of these is needed for the balloon rocket? (a) a magnet (b) turmeric powder (c) vinegar (d) a drinking straw
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) a drinking straw (c) two chairs (d) yeast
23. 23.⚖️ Fair test — does a bigger balloon go farther along the string? Which of these is what we measure? (a) distance it travels (b) how big we blow it (c) the same tape (d) the same string
24. 24.⚖️ 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
25. 25.True or false: gas from the rocket goes forward. (a) False (b) True
26. 26.🚀 Which of these goes forward? (a) the rocket (b) water from the oars (c) gas from the rocket (d) air from the balloon
27. 27.True or false: gas from the rocket goes backward. (a) False (b) True
28. 28.🧺 Which of these is not needed for the balloon rocket? (a) yeast (b) two chairs (c) a balloon (d) a long string
29. 29.🧺 Which of these is not needed for the balloon rocket? (a) two chairs (b) a drinking straw (c) a battery cell (d) sticky tape
30. 30.True or false: the rocket goes forward. (a) False (b) True
31. 31.🧺 Do we need a drinking straw for the balloon rocket? (a) needed (b) not needed
32. 32.True or false: sticky tape is needed for the balloon rocket. (a) True (b) False
33. 33.🚀 In “push back, move forward”, which way does the swimmer go? (a) goes forward (b) goes backward
34. 34.🛟 Which is a safe rule for the balloon rocket? (a) put string round a neck (b) aim it at your friend (c) blow it till it bursts (d) keep it away from faces
35. 35.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
36. 36.⚖️ 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) how big we blow it (c) the same string (d) the same straw
37. 37.True or false: the swimmer goes forward. (a) True (b) False
38. 38.🔮 Predict: you blow the balloon up only a little. What happens? (a) it turns into a kite (b) it goes less far (c) it flies off the string (d) it goes much farther
39. 39.⚖️ 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) True (b) False
40. 40.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a long string (c) sticky tape (d) a mirror

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