Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 132 · 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.⚖️ 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) True (b) False
2. 2.🔍 Which is the odd one out? (a) clear glass (b) tissue paper (c) clear plastic film (d) clean water
3. 3.🔦 Which of these is transparent? (a) frosted glass (b) clear glass (c) a brick (d) oily paper
4. 4.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
5. 5.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a straight stick
6. 6.⚖️ 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) shadow length (c) the time of day
7. 7.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a mirror (d) yeast
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a magnet
9. 9.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
10. 10.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
11. 11.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a straight stick (c) a balloon (d) a magnet
12. 12.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a magnet (d) a clock to check
13. 13.🧺 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 mirror (d) chalk to mark shadows
14. 14.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) Earth keeps spinning (d) the stick grows
15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
16. 16.⚖️ 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 stick kept upright (d) the time of day
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same stick (c) the time of day (d) shadow length
18. 18.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) turmeric powder (d) a mirror
19. 19.⚖️ 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
20. 20.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
21. 21.🔦 Which of these is translucent? (a) clear glass (b) frosted glass (c) a wooden board (d) a steel plate
22. 22.True or false: air is translucent. (a) False (b) True
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 measure it (c) we keep it the same
24. 24.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) missing (d) round
25. 25.🔦 Which of these is opaque? (a) tissue paper (b) oily paper (c) butter paper (d) a steel plate
26. 26.⚖️ 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
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 keep it the same (b) we change it (c) we measure it
28. 28.🔍 Which is the odd one out? (a) your hand (b) clear plastic film (c) clear glass (d) air
29. 29.⚖️ 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
30. 30.🔦 Which of these is transparent? (a) frosted glass (b) butter paper (c) air (d) a book
31. 31.True or false: clear plastic film is translucent. (a) True (b) False
32. 32.True or false: frosted glass is translucent. (a) True (b) False
33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) yeast (d) chalk to mark shadows
34. 34.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
35. 35.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) smaller (d) coloured
36. 36.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
37. 37.True or false: your hand is translucent. (a) False (b) True
38. 38.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
39. 39.🔍 Which is the odd one out? (a) a book (b) butter paper (c) a wooden board (d) a brick
40. 40.True or false: yeast is needed for the shadow clock. (a) False (b) True

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