Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 961 · 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.True or false: butter paper is translucent. (a) True (b) False
2. 2.⚖️ 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 stick kept upright (c) the time of day (d) shadow length
3. 3.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
4. 4.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) the object is cold (d) an object blocks light
5. 5.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
6. 6.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a magnet
7. 7.⚖️ 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 keep it the same (c) we measure it
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a straight stick (d) chalk to mark shadows
9. 9.True or false: tissue paper is translucent. (a) True (b) False
10. 10.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
11. 11.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) weighing things (d) measuring rain
12. 12.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
13. 13.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
14. 14.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
15. 15.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
16. 16.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
17. 17.⚖️ 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) shadow length (c) the time of day (d) the same spot
18. 18.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
20. 20.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) frosted glass (d) oily paper
21. 21.True or false: a brick is transparent. (a) False (b) True
22. 22.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
23. 23.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) a balloon
24. 24.⚖️ 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
25. 25.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
26. 26.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
27. 27.⚖️ 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
28. 28.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
29. 29.⚖️ 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 same stick
30. 30.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) Earth keeps spinning (d) the stick walks
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a battery cell
32. 32.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) butter paper
33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
34. 34.🔍 Which is the odd one out? (a) a brick (b) frosted glass (c) a book (d) your hand
35. 35.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
36. 36.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
37. 37.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
38. 38.🔦 Which of these is translucent? (a) air (b) a book (c) oily paper (d) clear glass
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) clear plastic film (b) your hand (c) a wooden board (d) a steel plate

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