Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 407 · 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.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
2. 2.⚖️ 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) shadow length (c) the stick kept upright
3. 3.⚖️ 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 stick (c) the same spot (d) shadow length
4. 4.🔦 Which of these is translucent? (a) a wooden board (b) clear plastic film (c) butter paper (d) air
5. 5.True or false: a book is transparent. (a) False (b) True
6. 6.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the stick walks (c) Earth keeps spinning (d) the ground slides
7. 7.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
8. 8.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
9. 9.True or false: oily paper is opaque. (a) True (b) False
10. 10.🔦 Which of these is translucent? (a) oily paper (b) a wooden board (c) a steel plate (d) clear plastic film
11. 11.🔦 Which of these is transparent? (a) air (b) oily paper (c) your hand (d) a wooden board
12. 12.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) wear a cap (d) look straight at the Sun
13. 13.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
16. 16.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
18. 18.⚖️ 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) True (b) False
19. 19.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
20. 20.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a balloon (d) a sunny open place
21. 21.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
22. 22.True or false: your hand is transparent. (a) False (b) True
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a straight stick (d) a clock to check
26. 26.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) a magnet
27. 27.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) a mirror (d) a sunny open place
28. 28.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a straight stick (c) a mirror (d) yeast
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
30. 30.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
31. 31.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
32. 32.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a magnet (d) a clock to check
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
37. 37.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
39. 39.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) turmeric powder (d) a sunny open place
40. 40.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent

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