Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 366 · 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.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
2. 2.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) your hand (d) tissue paper
3. 3.⚖️ 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
4. 4.🔦 Which of these is transparent? (a) clear glass (b) frosted glass (c) tissue paper (d) butter paper
5. 5.🔦 Which of these is transparent? (a) frosted glass (b) clean water (c) a brick (d) tissue paper
6. 6.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a clock to check (d) chalk to mark shadows
9. 9.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time
10. 10.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
11. 11.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
12. 12.⚖️ 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) True (b) False
13. 13.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🔍 Which is the odd one out? (a) a book (b) frosted glass (c) a brick (d) a steel plate
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
17. 17.🧺 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 battery cell (d) a sunny open place
18. 18.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
19. 19.True or false: a wooden board is transparent. (a) True (b) False
20. 20.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
21. 21.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
22. 22.🧺 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 clock to check (d) a magnet
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) False (b) True
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a balloon
27. 27.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
28. 28.⚖️ 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
29. 29.True or false: clean water is transparent. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) oily paper (b) a steel plate (c) your hand (d) a wooden board
31. 31.🔍 Which is the odd one out? (a) frosted glass (b) clear plastic film (c) tissue paper (d) butter paper
32. 32.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) turmeric powder (d) a sunny open place
33. 33.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) a straight stick (d) a sunny open place
34. 34.🔦 Which of these is transparent? (a) oily paper (b) clear plastic film (c) a brick (d) frosted glass
35. 35.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a balloon (d) a mirror
36. 36.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the ground slides (c) Earth keeps spinning (d) the stick walks
37. 37.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a sunny open place (d) turmeric powder
38. 38.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
39. 39.True or false: butter paper is transparent. (a) True (b) False
40. 40.🔦 Which of these is opaque? (a) oily paper (b) a wooden board (c) frosted glass (d) clear plastic film

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