Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 442 · 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.True or false: butter paper is opaque. (a) True (b) False
2. 2.True or false: a steel plate is opaque. (a) True (b) False
3. 3.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) missing (c) round (d) short
4. 4.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) frosted glass (d) tissue paper
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a straight stick
6. 6.🔦 Which of these is opaque? (a) a book (b) butter paper (c) air (d) clear plastic film
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a straight stick (d) chalk to mark shadows
8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
9. 9.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) a brick (d) clean water
10. 10.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
11. 11.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a magnet (d) chalk to mark shadows
13. 13.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
14. 14.🔦 Which of these is transparent? (a) a book (b) clear glass (c) your hand (d) a brick
15. 15.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
16. 16.⚖️ 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
17. 17.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
18. 18.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a battery cell
19. 19.⚖️ 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 measure it (c) we change it
20. 20.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a mirror (d) a balloon
21. 21.📘 Why does a shadow form? (a) an object blocks light (b) the ground is dark (c) the object is cold (d) light bends round it
22. 22.True or false: clear glass is translucent. (a) False (b) True
23. 23.True or false: clean water is transparent. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) air (b) a book (c) clear glass (d) clean water
25. 25.🔦 Which of these is translucent? (a) clear glass (b) clean water (c) oily paper (d) a brick
26. 26.🔍 Which is the odd one out? (a) a brick (b) oily paper (c) a wooden board (d) a book
27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.🔦 Which of these is opaque? (a) a wooden board (b) clear plastic film (c) clear glass (d) air
29. 29.⚖️ 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) the time of day (c) shadow length
30. 30.True or false: a book is translucent. (a) True (b) False
31. 31.⚖️ 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
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) shadow length (c) the same spot (d) the stick kept upright
33. 33.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) yeast (d) chalk to mark shadows
34. 34.True or false: a steel plate is translucent. (a) False (b) True
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clear glass (d) tissue paper
38. 38.⚖️ 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 change it (c) we measure it
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
40. 40.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed

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