Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 381 · 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.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) missing (d) long
2. 2.🔍 Which is the odd one out? (a) clear plastic film (b) a brick (c) clear glass (d) clean water
3. 3.True or false: clean water is opaque. (a) False (b) True
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
6. 6.🔦 Which of these is translucent? (a) a steel plate (b) tissue paper (c) a wooden board (d) air
7. 7.🔦 Which of these is opaque? (a) your hand (b) butter paper (c) oily paper (d) frosted glass
8. 8.True or false: yeast is needed for the shadow clock. (a) True (b) False
9. 9.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
11. 11.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) turmeric powder
12. 12.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
13. 13.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
14. 14.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick grows (d) the stick walks
17. 17.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
18. 18.🔍 Which is the odd one out? (a) clean water (b) your hand (c) clear plastic film (d) clear glass
19. 19.⚖️ 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
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same stick (c) the stick kept upright (d) the time of day
21. 21.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a clock to check (d) yeast
22. 22.🔍 Which is the odd one out? (a) frosted glass (b) air (c) tissue paper (d) butter paper
23. 23.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
25. 25.🔦 Which of these is opaque? (a) butter paper (b) clean water (c) a book (d) oily paper
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the time of day (c) the same spot (d) shadow length
27. 27.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
28. 28.⚖️ 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
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the same stick
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a balloon (d) a clock to check
33. 33.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
34. 34.🔦 Which of these is translucent? (a) frosted glass (b) your hand (c) clear plastic film (d) a book
35. 35.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) frosted glass (d) a wooden board
36. 36.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
38. 38.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a clock to check (d) a sunny open place
39. 39.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
40. 40.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) at night (d) early morning

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