Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 388 · 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.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
2. 2.⚖️ 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
3. 3.⚖️ 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
4. 4.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
5. 5.🧺 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 sunny open place (d) a balloon
6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same stick (d) the time of day
7. 7.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
8. 8.🔦 Which of these is opaque? (a) a brick (b) frosted glass (c) tissue paper (d) clear glass
9. 9.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
10. 10.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) north (d) east
11. 11.🔍 Which is the odd one out? (a) butter paper (b) air (c) oily paper (d) tissue paper
12. 12.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) a straight stick (d) a magnet
13. 13.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a sunny open place (c) a clock to check (d) a straight stick
14. 14.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
15. 15.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) clean water (b) frosted glass (c) oily paper (d) butter paper
17. 17.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
18. 18.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) yeast (d) a battery cell
19. 19.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
20. 20.True or false: a book is opaque. (a) True (b) False
21. 21.🔦 Which of these is transparent? (a) a book (b) clear glass (c) a steel plate (d) a brick
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.⚖️ 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 stick kept upright (c) the time of day
24. 24.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a balloon (c) a clock to check (d) turmeric powder
25. 25.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
26. 26.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) making rainbows (d) telling the time
27. 27.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
28. 28.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) your hand (d) clear plastic film
29. 29.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) the same spot (c) the stick kept upright (d) the time of day
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a magnet (d) chalk to mark shadows
32. 32.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
33. 33.🔦 Which of these is translucent? (a) a wooden board (b) a steel plate (c) oily paper (d) a brick
34. 34.True or false: tissue paper is translucent. (a) True (b) False
35. 35.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
36. 36.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a straight stick (d) yeast
37. 37.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) turmeric powder
38. 38.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) around noon (d) at night
39. 39.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
40. 40.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

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