Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 59 · 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.🧺 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 straight stick
2. 2.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the stick kept upright (c) shadow length
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
6. 6.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
7. 7.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) a book (d) frosted glass
8. 8.⚖️ 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
9. 9.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) a book (b) a steel plate (c) a wooden board (d) clear glass
11. 11.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
12. 12.⚖️ 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) the same stick (c) shadow length (d) the time of day
13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place
14. 14.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
15. 15.True or false: tissue paper is translucent. (a) True (b) False
16. 16.🔦 Which of these is transparent? (a) your hand (b) a steel plate (c) frosted glass (d) clear plastic film
17. 17.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) sit in the shade (d) mark with chalk
18. 18.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) your hand (d) clean water
19. 19.True or false: a balloon is needed for the shadow clock. (a) False (b) True
20. 20.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
21. 21.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) yeast (d) chalk to mark shadows
22. 22.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
23. 23.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a battery cell
24. 24.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
25. 25.True or false: butter paper is opaque. (a) True (b) False
26. 26.True or false: a wooden board is transparent. (a) False (b) True
27. 27.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
28. 28.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
29. 29.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
30. 30.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) a clock to check (d) a straight stick
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) shadow length (c) the stick kept upright (d) the same spot
33. 33.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
34. 34.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) a clock to check (d) a magnet
35. 35.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a magnet
37. 37.True or false: clear glass is transparent. (a) False (b) True
38. 38.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
39. 39.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a sunny open place (d) a clock to check
40. 40.⚖️ 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

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