Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 239 · 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? True or false: the stick kept upright is the one thing we change. (a) True (b) False
2. 2.True or false: frosted glass is translucent. (a) True (b) False
3. 3.True or false: yeast is not needed for the shadow clock. (a) False (b) True
4. 4.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
5. 5.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) air (d) butter paper
6. 6.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
7. 7.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) sit in the shade (d) mark with chalk
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) shadow length (c) the same stick (d) the time of day
9. 9.🔍 Which is the odd one out? (a) frosted glass (b) a steel plate (c) butter paper (d) tissue paper
10. 10.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) turmeric powder (d) a magnet
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.True or false: a steel plate is opaque. (a) True (b) False
13. 13.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
14. 14.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) air (d) a wooden board
16. 16.⚖️ 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) False (b) True
17. 17.True or false: a magnet is needed for the shadow clock. (a) True (b) False
18. 18.🔦 Which of these is transparent? (a) a steel plate (b) air (c) tissue paper (d) a wooden board
19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
20. 20.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a clock to check (d) chalk to mark shadows
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a balloon
22. 22.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) a magnet (d) a balloon
23. 23.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a woollen sweater (d) a cap or hat
24. 24.🧺 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) chalk to mark shadows
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the same stick (c) shadow length (d) the stick kept upright
26. 26.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
27. 27.True or false: tissue paper is translucent. (a) False (b) True
28. 28.True or false: a book is opaque. (a) False (b) True
29. 29.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a clock to check (d) a balloon
30. 30.🔍 Which is the odd one out? (a) oily paper (b) air (c) clear plastic film (d) clear glass
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) yeast (d) a straight stick
35. 35.🔍 Which is the odd one out? (a) air (b) clear glass (c) frosted glass (d) clean water
36. 36.🧺 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
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
38. 38.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) around noon (d) early morning
39. 39.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) a straight stick

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