Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 740 · 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 is the odd one out? (a) tissue paper (b) butter paper (c) a book (d) frosted glass
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) the time of day (c) shadow length
3. 3.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) telling the time (d) weighing things
4. 4.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a clock to check (d) turmeric powder
5. 5.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) an object blocks light (d) the object is cold
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) turmeric powder (d) chalk to mark shadows
7. 7.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
8. 8.🛟 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
9. 9.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) the stick walks (d) Earth keeps spinning
10. 10.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) a raincoat (d) nothing on your head
11. 11.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) a steel plate (d) tissue paper
12. 12.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
14. 14.True or false: air is transparent. (a) False (b) True
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
17. 17.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
18. 18.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
19. 19.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) chalk to mark shadows (d) a straight stick
22. 22.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a straight stick (d) a clock to check
23. 23.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a balloon (c) a mirror (d) a magnet
24. 24.⚖️ 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) False (b) True
25. 25.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a balloon
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a straight stick (d) a sunny open place
29. 29.⚖️ 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
30. 30.True or false: a steel plate is transparent. (a) False (b) True
31. 31.True or false: air is translucent. (a) False (b) True
32. 32.⚖️ 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
33. 33.⚖️ 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 keep it the same (c) we change it
34. 34.🔦 Which of these is opaque? (a) air (b) oily paper (c) clear glass (d) a brick
35. 35.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
36. 36.⚖️ 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) shadow length (c) the time of day (d) the stick kept upright
37. 37.True or false: yeast is not needed for the shadow clock. (a) False (b) True
38. 38.🔦 Which of these is opaque? (a) tissue paper (b) your hand (c) clear plastic film (d) oily paper
39. 39.⚖️ 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
40. 40.True or false: a balloon is not needed for the shadow clock. (a) False (b) True

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