Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 478 · 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? Which of these is kept the same? (a) shadow length (b) the same stick (c) the time of day
2. 2.🔦 Which of these is transparent? (a) a wooden board (b) butter paper (c) clean water (d) tissue paper
3. 3.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
4. 4.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) a cap or hat (d) nothing on your head
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) yeast (d) a sunny open place
6. 6.⚖️ 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
7. 7.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a sunny open place (c) a straight stick (d) a clock to check
8. 8.True or false: your hand is opaque. (a) True (b) False
9. 9.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a sunny open place (d) a mirror
10. 10.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a magnet (d) a sunny open place
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
13. 13.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
14. 14.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
15. 15.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a magnet (c) chalk to mark shadows (d) a straight stick
16. 16.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
17. 17.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
18. 18.🔦 Is air opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
19. 19.⚖️ 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
20. 20.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) does not work well (d) works better
21. 21.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) a mirror (d) a balloon
22. 22.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
23. 23.🔦 Which of these is transparent? (a) clear plastic film (b) your hand (c) a book (d) a wooden board
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a steel plate (b) air (c) a wooden board (d) a brick
26. 26.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) missing (c) round (d) short
27. 27.True or false: a brick is transparent. (a) True (b) False
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) chalk to mark shadows (d) a balloon
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.🔦 Which of these is opaque? (a) frosted glass (b) clear glass (c) air (d) a book
31. 31.🔦 Which of these is translucent? (a) clear glass (b) a brick (c) oily paper (d) a steel plate
32. 32.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
33. 33.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
34. 34.True or false: clear glass is opaque. (a) False (b) True
35. 35.🔦 Which of these is translucent? (a) a book (b) your hand (c) frosted glass (d) air
36. 36.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) oily paper (d) tissue paper
39. 39.⚖️ 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) shadow length (c) the time of day (d) the same spot
40. 40.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed

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