Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 515 · 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.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a straight stick (d) chalk to mark shadows
2. 2.True or false: butter paper is opaque. (a) True (b) False
3. 3.🔦 Which of these is opaque? (a) air (b) clear plastic film (c) your hand (d) clear glass
4. 4.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) nothing on your head (d) a cap or hat
5. 5.🔦 Which of these is transparent? (a) tissue paper (b) clear plastic film (c) your hand (d) butter paper
6. 6.⚖️ 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 measure it (c) we change it
7. 7.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
8. 8.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a clock to check (c) a straight stick (d) a sunny open place
9. 9.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) turmeric powder (d) a clock to check
10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.⚖️ 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
12. 12.True or false: oily paper is translucent. (a) False (b) True
13. 13.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a sunny open place (d) a mirror
14. 14.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
15. 15.🔦 Which of these is transparent? (a) a steel plate (b) a book (c) a wooden board (d) clear glass
16. 16.🧺 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 clock to check (d) a magnet
17. 17.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
18. 18.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
20. 20.🔦 Which of these is translucent? (a) a wooden board (b) your hand (c) frosted glass (d) a steel plate
21. 21.⚖️ 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
22. 22.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
23. 23.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a magnet (d) a straight stick
24. 24.🧺 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 mirror (d) chalk to mark shadows
25. 25.🔦 Which of these is opaque? (a) clean water (b) a book (c) air (d) frosted glass
26. 26.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
27. 27.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
28. 28.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
29. 29.🔦 Which of these is transparent? (a) clean water (b) a steel plate (c) a wooden board (d) frosted glass
30. 30.🌍 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
31. 31.True or false: a steel plate is opaque. (a) False (b) True
32. 32.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) a straight stick
35. 35.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a magnet (d) chalk to mark shadows
36. 36.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
38. 38.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
39. 39.🔦 Which of these is opaque? (a) a wooden board (b) frosted glass (c) clear glass (d) clean water
40. 40.⚖️ 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 same stick (c) shadow length (d) the same spot

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