Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 208 · 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.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
2. 2.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a balloon (d) a straight stick
3. 3.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) a steel plate (d) frosted glass
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) shadow length (b) the time of day (c) the same spot (d) the same stick
5. 5.⚖️ 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) shadow length (c) the time of day
6. 6.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
7. 7.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
8. 8.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a clock to check (d) a straight stick
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a balloon
11. 11.⚖️ 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
12. 12.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) a book (b) frosted glass (c) butter paper (d) tissue paper
14. 14.🔦 Which of these is opaque? (a) frosted glass (b) butter paper (c) a book (d) oily paper
15. 15.🔦 Which of these is opaque? (a) air (b) clear glass (c) butter paper (d) a steel plate
16. 16.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
17. 17.⚖️ 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
18. 18.🔦 Which of these is transparent? (a) butter paper (b) air (c) a wooden board (d) your hand
19. 19.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) weighing things (d) making rainbows
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) a straight stick (d) chalk to mark shadows
22. 22.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) butter paper (d) a brick
23. 23.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) a wooden board (d) clear glass
24. 24.True or false: a wooden board is transparent. (a) True (b) False
25. 25.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
26. 26.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
27. 27.🔦 Which of these is transparent? (a) a wooden board (b) a book (c) clean water (d) butter paper
28. 28.🔦 Which of these is translucent? (a) a steel plate (b) a brick (c) tissue paper (d) clear plastic film
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
32. 32.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
33. 33.True or false: your hand is opaque. (a) False (b) True
34. 34.🔦 Which of these is transparent? (a) a wooden board (b) oily paper (c) clear plastic film (d) a brick
35. 35.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) short (d) missing
36. 36.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
37. 37.🔍 Which is the odd one out? (a) your hand (b) clear plastic film (c) air (d) clear glass
38. 38.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a straight stick
39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) turmeric powder
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same spot (c) the time of day (d) the stick kept upright

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