Balloon Rocket STEM Worksheet

Science experiments lesson 7: Balloon rocket · Set 637 · 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 turmeric powder for the balloon rocket? (a) not needed (b) needed
2. 2.🚀 Which of these goes backward? (a) the rowing boat (b) the rocket (c) the swimmer (d) air from the balloon
3. 3.True or false: vinegar is needed for the balloon rocket. (a) True (b) False
4. 4.📘 Every push has an equal push in the opposite direction. Which toy shows this? (a) a fridge magnet (b) a sundial (c) a balloon rocket (d) a mirror
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.True or false: turmeric powder is needed for the balloon rocket. (a) False (b) True
7. 7.🧺 Do we need a balloon for the balloon rocket? (a) needed (b) not needed
8. 8.🧺 Do we need a long string for the balloon rocket? (a) not needed (b) needed
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a drinking straw (b) sticky tape (c) a long string (d) a mirror
11. 11.True or false: the swimmer goes backward. (a) True (b) False
12. 12.🎈 When does the balloon rocket stop? (a) when it gets cold (b) when the air runs out (c) it never stops (d) when it turns blue
13. 13.🚀 In “push back, move forward”, which way does gas from the rocket go? (a) goes backward (b) goes forward
14. 14.⚖️ 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) the same tape (d) how big we blow it
15. 15.🧺 Three of these are needed for the balloon rocket. Which one is NOT needed? (a) a long string (b) two chairs (c) a balloon (d) a magnet
16. 16.🚀 Which of these goes forward? (a) air from the balloon (b) water from the oars (c) the balloon (d) gas from the rocket
17. 17.🧺 Which of these is needed for the balloon rocket? (a) yeast (b) a magnet (c) a long string (d) vinegar
18. 18.🔮 Predict: you blow the balloon up only a little. What happens? (a) it goes less far (b) it flies off the string (c) it goes much farther (d) it turns into a kite
19. 19.⚖️ Fair test — does a bigger balloon go farther along the string? True or false: the same straw is the one thing we change. (a) False (b) True
20. 20.⚖️ Fair test — does a bigger balloon go farther along the string? What do we do with “the slope of the string”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.True or false: water from the oars goes forward. (a) True (b) False
22. 22.🎈 Air rushes out of the back of the balloon. Which way does the balloon move? (a) it stays still (b) straight down (c) backward (d) forward
23. 23.True or false: a battery cell is needed for the balloon rocket. (a) True (b) False
24. 24.🛟 What should you do with popped balloon pieces? (a) keep them in your mouth (b) give them to a baby (c) chew them (d) throw them away safely
25. 25.🔮 Predict: the string slopes uphill. What happens? (a) it travels farther (b) it goes backward first (c) it travels less far (d) it speeds up
26. 26.True or false: a mirror is needed for the balloon rocket. (a) False (b) True
27. 27.True or false: a balloon is not needed for the balloon rocket. (a) True (b) False
28. 28.🛟 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
29. 29.🛟 Which is a safe rule for the balloon rocket? (a) keep it away from faces (b) aim it at your friend (c) put string round a neck (d) blow it till it bursts
30. 30.🚀 In “push back, move forward”, which way does water a swimmer pushes go? (a) goes forward (b) goes backward
31. 31.🚀 In “push back, move forward”, which way does water from the oars go? (a) goes forward (b) goes backward
32. 32.🚀 Which of these goes forward? (a) the rocket (b) gas from the rocket (c) water a swimmer pushes (d) air from the balloon
33. 33.🚀 In “push back, move forward”, which way does the rowing boat go? (a) goes backward (b) goes forward
34. 34.True or false: the rocket goes forward. (a) False (b) True
35. 35.True or false: a balloon is needed for the balloon rocket. (a) False (b) True
36. 36.🎈 Why does the balloon rocket move along the string? (a) escaping air pushes it (b) the string pulls it (c) a magnet pulls it (d) the straw is heavy
37. 37.True or false: a drinking straw is not needed for the balloon rocket. (a) False (b) True
38. 38.🎈 What is the job of the straw on the string? (a) it blows air in (b) it makes it heavier (c) it guides the balloon (d) it holds water
39. 39.🧺 Which of these is not needed for the balloon rocket? (a) a balloon (b) a drinking straw (c) turmeric powder (d) a long string
40. 40.True or false: a magnet is not needed for the balloon rocket. (a) True (b) False

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