Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 291 · 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.🔍 Which is the odd one out? (a) your hand (b) clear glass (c) a book (d) a wooden board
2. 2.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
3. 3.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) brighter (d) coloured
4. 4.⚖️ 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 measure it (c) we change it
5. 5.🔦 Which of these is opaque? (a) a wooden board (b) clean water (c) clear plastic film (d) air
6. 6.True or false: frosted glass is translucent. (a) True (b) False
7. 7.⚖️ 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) True (b) False
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the stick kept upright
9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
10. 10.True or false: a brick is opaque. (a) False (b) True
11. 11.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) sit in the shade (d) wear a cap
12. 12.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
13. 13.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) measuring rain (d) telling the time
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) a balloon (d) a mirror
16. 16.⚖️ 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
17. 17.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
18. 18.⚖️ 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
19. 19.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) early morning (d) around noon
20. 20.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a balloon (d) a clock to check
21. 21.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) air (d) your hand
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
23. 23.🔦 Which of these is opaque? (a) butter paper (b) clear plastic film (c) frosted glass (d) a book
24. 24.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) a mirror
27. 27.True or false: a steel plate is transparent. (a) True (b) False
28. 28.🔦 Which of these is translucent? (a) air (b) a wooden board (c) a brick (d) tissue paper
29. 29.🔦 Which of these is opaque? (a) tissue paper (b) frosted glass (c) a steel plate (d) butter paper
30. 30.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) oily paper (d) a wooden board
31. 31.🧺 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) a sunny open place
32. 32.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) a mirror (d) a battery cell
33. 33.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
34. 34.⚖️ 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) shadow length (c) the same stick (d) the time of day
35. 35.🔍 Which is the odd one out? (a) air (b) a wooden board (c) clear glass (d) clean water
36. 36.True or false: clean water is transparent. (a) True (b) False
37. 37.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
38. 38.🔍 Which is the odd one out? (a) clear plastic film (b) a steel plate (c) clean water (d) air
39. 39.🔍 Which is the odd one out? (a) a book (b) butter paper (c) a steel plate (d) a brick
40. 40.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a sunny open place (c) yeast (d) a battery cell

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