Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 361 · 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 straight stick (b) a clock to check (c) a sunny open place (d) a battery cell
2. 2.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) chalk to mark shadows (d) a mirror
3. 3.🔍 Which is the odd one out? (a) a book (b) a brick (c) a steel plate (d) clear glass
4. 4.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
5. 5.🔦 Which of these is transparent? (a) a wooden board (b) clean water (c) tissue paper (d) frosted glass
6. 6.📘 Why does a shadow form? (a) light bends round it (b) an object blocks light (c) the object is cold (d) the ground is dark
7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) shadow length (c) the time of day (d) the stick kept upright
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) turmeric powder
9. 9.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
10. 10.True or false: air is opaque. (a) False (b) True
11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) bigger (d) brighter
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a clock to check
14. 14.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) west (d) north
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
17. 17.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
18. 18.True or false: oily paper is transparent. (a) True (b) False
19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a magnet (d) chalk to mark shadows
21. 21.⚖️ 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
22. 22.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
23. 23.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
24. 24.🌍 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
25. 25.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) early morning (d) late evening
26. 26.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a straight stick (d) a clock to check
28. 28.⚖️ 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 same stick (c) shadow length
29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) chalk to mark shadows (d) a straight stick
30. 30.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
31. 31.True or false: a wooden board is opaque. (a) True (b) False
32. 32.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
33. 33.⚖️ 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 time of day (c) shadow length (d) the stick kept upright
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) True (b) False
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) True (b) False
36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a magnet (d) a sunny open place
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a clock to check (d) a balloon

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