Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 187 · 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? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.True or false: a mirror is needed for the shadow clock. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) a brick (b) your hand (c) oily paper (d) a wooden board
4. 4.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) your hand (d) frosted glass
5. 5.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
6. 6.🔦 Which of these is opaque? (a) clear glass (b) butter paper (c) air (d) a steel plate
7. 7.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) a book (d) oily paper
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 balloon (d) a sunny open place
9. 9.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a balloon (d) chalk to mark shadows
10. 10.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) telling the time (d) making rainbows
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a sunny open place (d) a clock to check
12. 12.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
14. 14.⚖️ 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) False (b) True
15. 15.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) yeast (d) a magnet
16. 16.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) an object blocks light (d) the object is cold
17. 17.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a straight stick (d) a sunny open place
18. 18.⚖️ 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 stick kept upright
19. 19.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
20. 20.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
21. 21.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a battery cell
23. 23.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a mirror (c) turmeric powder (d) a battery cell
24. 24.⚖️ 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 measure it (c) we change it
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a straight stick
26. 26.⚖️ 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 spot (b) the time of day (c) shadow length (d) the stick kept upright
27. 27.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
28. 28.🔦 Which of these is opaque? (a) butter paper (b) clean water (c) air (d) a book
29. 29.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
30. 30.True or false: a balloon is needed for the shadow clock. (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 what we measure. (a) True (b) False
32. 32.⚖️ 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 measure it (c) we keep it the same
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) yeast
34. 34.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a mirror (d) a clock to check
36. 36.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) frosted glass (b) a book (c) your hand (d) a wooden board
38. 38.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
39. 39.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) butter paper (d) air
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a mirror (d) a straight stick

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