Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 174 · 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.True or false: butter paper is translucent. (a) False (b) True
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a mirror (d) a straight stick
4. 4.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
7. 7.🔍 Which is the odd one out? (a) clean water (b) a brick (c) clear plastic film (d) clear glass
8. 8.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
9. 9.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) measuring rain (d) telling the time
10. 10.⚖️ 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
11. 11.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) turmeric powder (d) a battery cell
12. 12.True or false: frosted glass is opaque. (a) False (b) True
13. 13.True or false: a steel plate is opaque. (a) True (b) False
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a clock to check (d) a sunny open place
15. 15.🔦 Which of these is transparent? (a) a steel plate (b) frosted glass (c) clear plastic film (d) butter paper
16. 16.⚖️ 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) the same spot (c) shadow length
17. 17.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
18. 18.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
21. 21.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
22. 22.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a balloon (c) a magnet (d) a mirror
23. 23.🧺 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) yeast (d) a sunny open place
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) shadow length (c) the same stick (d) the stick kept upright
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a battery cell (c) a clock to check (d) chalk to mark shadows
26. 26.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
27. 27.⚖️ 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
28. 28.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
29. 29.⚖️ 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 same stick
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
31. 31.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
32. 32.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
33. 33.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) short (d) missing
34. 34.🔍 Which is the odd one out? (a) your hand (b) butter paper (c) a wooden board (d) a book
35. 35.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
37. 37.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
38. 38.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
39. 39.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) yeast (c) a sunny open place (d) a straight stick

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