Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 303 · 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 balloon (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
2. 2.True or false: yeast is needed for the shadow clock. (a) True (b) False
3. 3.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
4. 4.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a balloon (d) a sunny open place
5. 5.📘 Why does a shadow form? (a) light bends round it (b) the object is cold (c) the ground is dark (d) an object blocks light
6. 6.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) look straight at the Sun (d) mark with chalk
7. 7.🔍 Which is the odd one out? (a) tissue paper (b) clear glass (c) butter paper (d) frosted glass
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) yeast (d) a clock to check
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a magnet (d) chalk to mark shadows
11. 11.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) does not work well (d) shows two times
12. 12.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
16. 16.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
17. 17.True or false: your hand is transparent. (a) False (b) True
18. 18.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
19. 19.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
20. 20.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
21. 21.True or false: a magnet is needed for the shadow clock. (a) True (b) False
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) turmeric powder (d) a straight stick
23. 23.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a balloon (d) a sunny open place
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.🔍 Which is the odd one out? (a) a book (b) a steel plate (c) a wooden board (d) air
26. 26.🧺 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 straight stick (d) a sunny open place
27. 27.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time
28. 28.True or false: clear plastic film is transparent. (a) True (b) False
29. 29.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
30. 30.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same stick (c) the same spot (d) the time of day
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
33. 33.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
34. 34.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
35. 35.True or false: a balloon is needed for the shadow clock. (a) False (b) True
36. 36.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) coloured (d) bigger
37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a battery cell
38. 38.True or false: frosted glass is opaque. (a) True (b) False
39. 39.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False

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