Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 759 · 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.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
2. 2.🔦 Which of these is translucent? (a) frosted glass (b) clear plastic film (c) a brick (d) a book
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
4. 4.⚖️ 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) shadow length (c) the stick kept upright (d) the time of day
5. 5.⚖️ 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 measure it (c) we change it
6. 6.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) up (d) north
7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
8. 8.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
9. 9.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) a balloon (d) yeast
10. 10.🔍 Which is the odd one out? (a) tissue paper (b) a book (c) a steel plate (d) a brick
11. 11.🔦 Which of these is transparent? (a) clear glass (b) tissue paper (c) a brick (d) a steel plate
12. 12.True or false: yeast is needed for the shadow clock. (a) True (b) False
13. 13.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
14. 14.True or false: a book is opaque. (a) True (b) False
15. 15.True or false: oily paper is translucent. (a) False (b) True
16. 16.⚖️ 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) True (b) False
17. 17.🛟 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
18. 18.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
19. 19.🔦 Which of these is opaque? (a) tissue paper (b) butter paper (c) clear plastic film (d) a brick
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) False (b) True
21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) the time of day (c) shadow length
22. 22.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) butter paper (d) a book
23. 23.🔦 Which of these is opaque? (a) air (b) a wooden board (c) clear plastic film (d) butter paper
24. 24.True or false: a steel plate is transparent. (a) True (b) False
25. 25.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) your hand (b) butter paper (c) a wooden board (d) a book
27. 27.🧺 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
28. 28.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
29. 29.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
31. 31.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
32. 32.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) the stick walks (d) Earth keeps spinning
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a magnet (d) chalk to mark shadows
34. 34.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
35. 35.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) clear glass (d) oily paper
36. 36.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
37. 37.⚖️ 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
38. 38.🔦 Which of these is transparent? (a) clean water (b) tissue paper (c) oily paper (d) your hand
39. 39.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) your hand (d) clear plastic film
40. 40.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) the ground is dark (d) an object blocks light

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