Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 224 · 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.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a magnet (d) a sunny open place
2. 2.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
3. 3.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
4. 4.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a straight stick (c) a mirror (d) turmeric powder
5. 5.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
6. 6.True or false: yeast is not needed for the shadow clock. (a) True (b) False
7. 7.⚖️ 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 same spot (c) the time of day
8. 8.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
9. 9.🔦 Which of these is transparent? (a) clean water (b) a brick (c) butter paper (d) oily paper
10. 10.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) turmeric powder (d) a sunny open place
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a straight stick (c) a clock to check (d) a sunny open place
12. 12.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
13. 13.🔦 Which of these is translucent? (a) a wooden board (b) clear plastic film (c) a brick (d) tissue paper
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a battery cell
15. 15.True or false: a balloon is needed for the shadow clock. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) clear glass (b) a wooden board (c) air (d) clear plastic film
17. 17.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
18. 18.True or false: a brick is opaque. (a) True (b) False
19. 19.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
22. 22.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) runs faster (c) works better (d) shows two times
23. 23.True or false: a steel plate is transparent. (a) True (b) False
24. 24.🔦 Which of these is opaque? (a) tissue paper (b) oily paper (c) air (d) a wooden board
25. 25.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) round (d) long
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
29. 29.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) tissue paper (d) your hand
30. 30.⚖️ 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) shadow length (c) the time of day (d) the same spot
31. 31.True or false: yeast is needed for the shadow clock. (a) True (b) False
32. 32.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
33. 33.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
34. 34.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
36. 36.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
37. 37.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) yeast
38. 38.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) north (d) up
39. 39.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) yeast (d) a clock to check
40. 40.🔦 Which of these is translucent? (a) a wooden board (b) air (c) frosted glass (d) clear glass

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