Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 272 · 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: a sunny open place is not needed for the shadow clock. (a) False (b) True
2. 2.True or false: a book is transparent. (a) False (b) True
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the same stick (c) the stick kept upright (d) shadow length
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the stick kept upright (c) the same spot (d) the same stick
5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) missing (d) long
6. 6.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
7. 7.🧺 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) a clock to check (d) turmeric powder
8. 8.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
9. 9.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a mirror (c) a balloon (d) chalk to mark shadows
10. 10.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a balloon (d) chalk to mark shadows
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
12. 12.🕰️ What is a sundial used for? (a) telling the time (b) weighing things (c) measuring rain (d) making rainbows
13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
14. 14.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a mirror (d) a clock to check
15. 15.🔍 Which is the odd one out? (a) your hand (b) tissue paper (c) a wooden board (d) a book
16. 16.🔍 Which is the odd one out? (a) air (b) your hand (c) a book (d) a wooden board
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.⚖️ 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
19. 19.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
20. 20.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
21. 21.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) yeast (c) a sunny open place (d) chalk to mark shadows
22. 22.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
23. 23.⚖️ 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
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a magnet (d) chalk to mark shadows
25. 25.🧺 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
26. 26.True or false: a book is translucent. (a) False (b) True
27. 27.🔦 Which of these is opaque? (a) a brick (b) clean water (c) frosted glass (d) air
28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a clock to check
29. 29.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
30. 30.🧺 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 clock to check (d) yeast
31. 31.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the ground is dark (d) the object is cold
32. 32.True or false: butter paper is translucent. (a) True (b) False
33. 33.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
34. 34.⚖️ 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
35. 35.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
36. 36.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
37. 37.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
38. 38.⚖️ 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) False (b) True
39. 39.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
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