Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 776 · 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? What do we do with “the time of day”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
3. 3.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
4. 4.🔦 Which of these is transparent? (a) clear plastic film (b) oily paper (c) your hand (d) tissue paper
5. 5.🔦 Which of these is opaque? (a) clear glass (b) clean water (c) oily paper (d) a steel plate
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a magnet
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) False (b) True
9. 9.True or false: clean water is opaque. (a) True (b) False
10. 10.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
11. 11.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
12. 12.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) turmeric powder (d) a battery cell
13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
14. 14.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
15. 15.True or false: frosted glass is opaque. (a) False (b) True
16. 16.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
17. 17.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
18. 18.True or false: frosted glass is translucent. (a) True (b) False
19. 19.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
20. 20.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a magnet (c) a sunny open place (d) a balloon
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) a straight stick
22. 22.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
23. 23.🧺 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) yeast (d) a straight stick
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) the time of day (c) shadow length
25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
26. 26.⚖️ 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 change it (c) we measure it
27. 27.🛟 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
28. 28.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
29. 29.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) a straight stick (d) yeast
30. 30.🔦 Which of these is opaque? (a) butter paper (b) air (c) frosted glass (d) a book
31. 31.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
32. 32.🔦 Which of these is translucent? (a) clear glass (b) clean water (c) tissue paper (d) a steel plate
33. 33.🧺 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 straight stick
34. 34.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
35. 35.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
37. 37.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the stick grows (c) Earth keeps spinning (d) the ground slides
38. 38.⚖️ 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
39. 39.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
40. 40.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) oily paper (d) air

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