Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 800 · 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.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
2. 2.True or false: a magnet is needed for the shadow clock. (a) True (b) False
3. 3.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
4. 4.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
7. 7.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a battery cell (d) a magnet
8. 8.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
9. 9.🔍 Which is the odd one out? (a) tissue paper (b) a book (c) butter paper (d) oily paper
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.🔦 Which of these is opaque? (a) tissue paper (b) butter paper (c) frosted glass (d) a wooden board
13. 13.True or false: clear plastic film is transparent. (a) True (b) False
14. 14.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) early morning (d) around noon
15. 15.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same stick (c) the same spot (d) the time of day
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a sunny open place
20. 20.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
21. 21.🧺 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) a straight stick (d) a magnet
22. 22.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) your hand (d) clear plastic film
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) air (d) a wooden board
25. 25.🔦 Which of these is translucent? (a) your hand (b) tissue paper (c) a book (d) clear glass
26. 26.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a clock to check (d) yeast
27. 27.True or false: clean water is opaque. (a) True (b) False
28. 28.⚖️ 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
29. 29.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
30. 30.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) making rainbows (d) telling the time
31. 31.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a straight stick
33. 33.⚖️ 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
34. 34.True or false: turmeric powder 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 straight stick (b) chalk to mark shadows (c) a clock to check (d) yeast
36. 36.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place
37. 37.🔦 Which of these is translucent? (a) your hand (b) butter paper (c) clean water (d) clear glass
38. 38.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
39. 39.True or false: a book is opaque. (a) False (b) True
40. 40.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short

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