Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 444 · 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.True or false: butter paper is opaque. (a) False (b) True
2. 2.True or false: clean water is transparent. (a) False (b) True
3. 3.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a straight stick (c) yeast (d) a mirror
4. 4.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) wear a cap (d) sit in the shade
7. 7.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) your hand (d) butter paper
8. 8.⚖️ 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 stick kept upright (c) the same stick (d) the same spot
9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a battery cell (c) a straight stick (d) a sunny open place
10. 10.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) tissue paper (d) a brick
11. 11.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
12. 12.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
13. 13.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
14. 14.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a straight stick (d) chalk to mark shadows
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
17. 17.🔍 Which is the odd one out? (a) a wooden board (b) air (c) a book (d) your hand
18. 18.True or false: a magnet is needed for the shadow clock. (a) False (b) True
19. 19.⚖️ 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 same stick
20. 20.🔦 Which of these is transparent? (a) a brick (b) tissue paper (c) clear glass (d) a wooden board
21. 21.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) brighter (d) bigger
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a mirror
24. 24.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) an object blocks light (d) light bends round it
25. 25.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
26. 26.🔦 Which of these is transparent? (a) a brick (b) clean water (c) frosted glass (d) oily paper
27. 27.⚖️ 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
28. 28.🧺 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 balloon (d) chalk to mark shadows
29. 29.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
30. 30.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
31. 31.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) nothing on your head (d) a woollen sweater
32. 32.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a clock to check
34. 34.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
35. 35.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick grows (d) the stick walks
36. 36.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) air (d) a book
37. 37.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
38. 38.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) yeast
40. 40.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed

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