Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 274 · 40 questions

What you do (Shadows point away from the Sun): 1. Stand the stick upright in the ground in an open sunny place. 2. Every hour, mark the tip of the shadow with chalk and write the time. 3. Measure the length of each shadow. 4. Wear a cap and never look straight at the Sun.

1. 1.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the stick kept upright (c) the same spot (d) the time of day
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same spot (c) shadow length (d) the same stick
3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the stick kept upright
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
6. 6.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a straight stick (d) yeast
7. 7.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
8. 8.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
9. 9.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) round (d) missing
10. 10.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
11. 11.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a balloon (d) chalk to mark shadows
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) weighing things (d) telling the time
15. 15.True or false: air is opaque. (a) True (b) False
16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a magnet (d) a clock to check
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
18. 18.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
19. 19.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
20. 20.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a sunny open place (d) turmeric powder
21. 21.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) sit in the shade (d) mark with chalk
22. 22.True or false: a wooden board is translucent. (a) False (b) True
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
24. 24.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) yeast (d) a straight stick
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the same spot (c) shadow length
26. 26.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) does not work well (d) shows two times
27. 27.True or false: your hand is opaque. (a) True (b) False
28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a battery cell (d) a sunny open place
29. 29.True or false: a steel plate is opaque. (a) False (b) True
30. 30.True or false: frosted glass is opaque. (a) False (b) True
31. 31.🔦 Which of these is transparent? (a) a book (b) clear plastic film (c) butter paper (d) frosted glass
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
33. 33.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
34. 34.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
35. 35.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a straight stick (c) a clock to check (d) a sunny open place
37. 37.🔦 Which of these is transparent? (a) tissue paper (b) frosted glass (c) oily paper (d) clear glass
38. 38.True or false: a wooden board is transparent. (a) False (b) True
39. 39.True or false: clean water is translucent. (a) True (b) False
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we keep it the same (c) we measure it

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