Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 293 · 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 kept the same. (a) False (b) True
2. 2.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) up (d) north
3. 3.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
4. 4.🔍 Which is the odd one out? (a) clean water (b) a wooden board (c) a brick (d) your hand
5. 5.🔦 Is a wooden board 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 sunny open place (b) a straight stick (c) chalk to mark shadows (d) a battery cell
7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
8. 8.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
9. 9.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
10. 10.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) a brick (d) oily paper
14. 14.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the time of day (c) the stick kept upright (d) shadow length
16. 16.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a straight stick (c) a mirror (d) a magnet
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 same stick (b) the same spot (c) the time of day (d) shadow length
18. 18.🔍 Which is the odd one out? (a) tissue paper (b) a book (c) frosted glass (d) butter paper
19. 19.🔦 Which of these is transparent? (a) clear glass (b) frosted glass (c) a book (d) butter paper
20. 20.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a battery cell (d) turmeric powder
21. 21.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
22. 22.True or false: a mirror is needed for the shadow clock. (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 same spot”? (a) we measure it (b) we keep it the same (c) we change it
24. 24.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) a sunny open place (d) a straight stick
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.🔍 Which is the odd one out? (a) a book (b) a steel plate (c) clear plastic film (d) a wooden board
27. 27.🔍 Which is the odd one out? (a) clear glass (b) air (c) clear plastic film (d) a wooden board
28. 28.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a battery cell (d) chalk to mark shadows
29. 29.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a straight stick (c) a sunny open place (d) a clock to check
30. 30.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
31. 31.🔦 Which of these is opaque? (a) frosted glass (b) tissue paper (c) a book (d) clear glass
32. 32.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
33. 33.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.⚖️ 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
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False

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