Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 482 · 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 woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
2. 2.🔦 Which of these is translucent? (a) a steel plate (b) air (c) butter paper (d) a book
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 keep it the same (b) we change it (c) we measure it
4. 4.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a mirror (c) a battery cell (d) a balloon
5. 5.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the stick grows (c) Earth keeps spinning (d) the ground slides
6. 6.⚖️ 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
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) a straight stick
8. 8.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) wear a cap (d) look straight at the Sun
9. 9.⚖️ 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 keep it the same (c) we measure it
10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
11. 11.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) a steel plate (d) a book
12. 12.True or false: clear glass is opaque. (a) False (b) True
13. 13.⚖️ 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
14. 14.🧺 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 mirror
15. 15.🔍 Which is the odd one out? (a) a book (b) your hand (c) a brick (d) oily paper
16. 16.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a book (d) clear glass
17. 17.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) a mirror (d) yeast
18. 18.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
19. 19.🔦 Which of these is transparent? (a) butter paper (b) a steel plate (c) a book (d) clean water
20. 20.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a battery cell (c) a magnet (d) yeast
21. 21.🔦 Which of these is opaque? (a) tissue paper (b) oily paper (c) clear plastic film (d) a book
22. 22.⚖️ 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) the same stick
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.⚖️ 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) True (b) False
25. 25.🧺 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 clock to check
26. 26.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) a steel plate (d) tissue paper
27. 27.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
28. 28.🔦 Which of these is translucent? (a) clean water (b) oily paper (c) a steel plate (d) clear plastic film
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 stick kept upright (c) the time of day
30. 30.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
31. 31.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) True (b) False
33. 33.🧺 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 sunny open place (d) turmeric powder
34. 34.True or false: a mirror is needed for the shadow clock. (a) False (b) True
35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a battery cell (d) a clock to check
36. 36.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
37. 37.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a mirror (c) a clock to check (d) chalk to mark shadows
38. 38.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) yeast (d) a straight stick
40. 40.True or false: a balloon is needed for the shadow clock. (a) True (b) False

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