Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 542 · 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) turmeric powder (c) a straight stick (d) a sunny open place
2. 2.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
3. 3.True or false: a balloon is needed for the shadow clock. (a) True (b) False
4. 4.🛟 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
5. 5.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a magnet (d) a sunny open place
6. 6.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
7. 7.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) a straight stick (d) turmeric powder
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
9. 9.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
11. 11.🔦 Which of these is opaque? (a) oily paper (b) air (c) butter paper (d) a brick
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.⚖️ 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
14. 14.True or false: a steel plate is transparent. (a) True (b) False
15. 15.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) does not work well (d) runs faster
16. 16.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) frosted glass (d) your hand
17. 17.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
18. 18.⚖️ 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) the stick kept upright (d) shadow length
19. 19.🧺 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) a balloon
20. 20.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
23. 23.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
24. 24.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) oily paper (b) clear plastic film (c) tissue paper (d) butter paper
26. 26.🔦 Which of these is opaque? (a) a wooden board (b) frosted glass (c) oily paper (d) clear glass
27. 27.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clean water (d) a steel plate
28. 28.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a sunny open place (d) turmeric powder
29. 29.🛟 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
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a battery cell (d) a clock to check
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same stick (c) the same spot (d) the time of day
33. 33.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
34. 34.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) turmeric powder (d) a straight stick
35. 35.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) yeast (d) a sunny open place
36. 36.⚖️ 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
37. 37.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the ground slides (d) the stick walks
38. 38.⚖️ 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
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
40. 40.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True

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