Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 244 · 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) long (b) short (c) round (d) missing
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.🔍 Which is the odd one out? (a) air (b) clear glass (c) oily paper (d) clean water
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
6. 6.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a clock to check (c) a sunny open place (d) a straight stick
8. 8.True or false: oily paper is translucent. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) butter paper (b) a brick (c) tissue paper (d) oily paper
10. 10.🔦 Which of these is translucent? (a) a brick (b) a book (c) your hand (d) butter paper
11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) coloured (d) bigger
12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) a magnet
13. 13.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) wear a cap (d) mark with chalk
14. 14.⚖️ 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 stick (b) the time of day (c) the same spot (d) shadow length
15. 15.True or false: a wooden board is transparent. (a) True (b) False
16. 16.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a straight stick
17. 17.🔦 Which of these is transparent? (a) clear plastic film (b) a brick (c) a wooden board (d) butter paper
18. 18.🔦 Which of these is opaque? (a) butter paper (b) oily paper (c) clean water (d) your hand
19. 19.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) butter paper (d) oily paper
20. 20.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a raincoat (d) a cap or hat
21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a book (b) tissue paper (c) frosted glass (d) butter paper
23. 23.True or false: a steel plate is transparent. (a) False (b) True
24. 24.🔦 Which of these is opaque? (a) clear glass (b) clean water (c) a wooden board (d) frosted glass
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the same spot (c) the stick kept upright (d) shadow length
26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
27. 27.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
28. 28.🧺 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 balloon (d) a clock to check
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.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a magnet (d) a sunny open place
31. 31.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
32. 32.🔦 Which of these is translucent? (a) frosted glass (b) clean water (c) air (d) a wooden board
33. 33.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
34. 34.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) early morning (d) late evening
35. 35.True or false: a balloon is needed for the shadow clock. (a) True (b) False
36. 36.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
37. 37.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) a mirror (d) chalk to mark shadows
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
39. 39.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
40. 40.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids