Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 235 · 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.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
2. 2.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) turmeric powder (d) a clock to check
3. 3.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
4. 4.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) butter paper (d) a book
5. 5.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a mirror
7. 7.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
9. 9.True or false: clear glass is transparent. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) clean water (b) a brick (c) air (d) clear glass
11. 11.🔦 Which of these is opaque? (a) clear plastic film (b) a brick (c) frosted glass (d) oily paper
12. 12.🔍 Which is the odd one out? (a) clean water (b) a wooden board (c) your hand (d) a brick
13. 13.⚖️ 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) shadow length (c) the time of day (d) the same spot
14. 14.⚖️ 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
15. 15.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
16. 16.🧺 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 clock to check (d) a battery cell
17. 17.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) clear plastic film (b) oily paper (c) clean water (d) air
20. 20.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a balloon (d) a sunny open place
21. 21.⚖️ 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
22. 22.⚖️ 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) shadow length (c) the same stick
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.🔦 Which of these is opaque? (a) clear glass (b) oily paper (c) your hand (d) frosted glass
25. 25.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) yeast (d) a straight stick
26. 26.🌞 When is a stick’s shadow the shortest? (a) late evening (b) early morning (c) around noon (d) at night
27. 27.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) tissue paper (d) air
28. 28.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
29. 29.True or false: yeast is not needed for the shadow clock. (a) True (b) False
30. 30.🧺 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 balloon (d) a straight stick
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.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) making rainbows (d) telling the time
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a book (b) a brick (c) clear plastic film (d) a wooden board
36. 36.🔦 Which of these is translucent? (a) oily paper (b) a steel plate (c) air (d) a wooden board
37. 37.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
38. 38.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a sunny open place
39. 39.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
40. 40.🧺 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 magnet (d) chalk to mark shadows

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