Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 662 · 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.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) look straight at the Sun (d) sit in the shade
2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) a sunny open place (d) a straight stick
3. 3.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) runs faster (d) works better
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
7. 7.⚖️ 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 time of day (d) the same stick
8. 8.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
9. 9.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) frosted glass (d) a steel plate
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) turmeric powder (d) a sunny open place
11. 11.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
12. 12.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
13. 13.⚖️ 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) shadow length (c) the time of day
14. 14.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a magnet (c) a sunny open place (d) a balloon
15. 15.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
16. 16.🧺 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 sunny open place (d) a magnet
17. 17.True or false: a wooden board is opaque. (a) True (b) False
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
20. 20.True or false: frosted glass is translucent. (a) True (b) False
21. 21.🔦 Which of these is opaque? (a) clear glass (b) a brick (c) tissue paper (d) frosted glass
22. 22.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
23. 23.🔦 Which of these is transparent? (a) frosted glass (b) a wooden board (c) a book (d) air
24. 24.🧺 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) a battery cell
25. 25.⚖️ 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
26. 26.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) brighter (d) coloured
27. 27.True or false: a mirror is needed for the shadow clock. (a) True (b) False
28. 28.🔦 Which of these is opaque? (a) butter paper (b) clear plastic film (c) a book (d) frosted glass
29. 29.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a sunny open place (d) turmeric powder
30. 30.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.True or false: clear plastic film is translucent. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) butter paper (d) your hand
34. 34.True or false: clear plastic film is transparent. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) a wooden board (b) clean water (c) a book (d) your hand
36. 36.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a straight stick (c) a mirror (d) a balloon
37. 37.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
38. 38.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
39. 39.⚖️ 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) the time of day (c) the same spot (d) shadow length
40. 40.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed

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