Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 328 · 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.🧺 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) yeast
2. 2.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) turmeric powder
3. 3.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
4. 4.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
5. 5.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
6. 6.🔦 Which of these is transparent? (a) a wooden board (b) a steel plate (c) butter paper (d) clean water
7. 7.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) turmeric powder (d) a sunny open place
9. 9.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
10. 10.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
11. 11.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
12. 12.True or false: a wooden board is translucent. (a) True (b) False
13. 13.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the stick walks (c) the ground slides (d) Earth keeps spinning
14. 14.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a straight stick (d) yeast
15. 15.True or false: a wooden board is transparent. (a) True (b) False
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) turmeric powder (d) a clock to check
18. 18.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
19. 19.🔍 Which is the odd one out? (a) clean water (b) frosted glass (c) butter paper (d) oily paper
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🧺 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) chalk to mark shadows (d) a balloon
22. 22.⚖️ 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
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) True (b) False
24. 24.⚖️ 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 same stick (c) the time of day
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a battery cell (c) a clock to check (d) a straight stick
26. 26.⚖️ 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) shadow length (c) the stick kept upright (d) the time of day
27. 27.True or false: a book is opaque. (a) False (b) True
28. 28.🔦 Which of these is opaque? (a) frosted glass (b) tissue paper (c) your hand (d) oily paper
29. 29.🔍 Which is the odd one out? (a) frosted glass (b) a steel plate (c) a book (d) a brick
30. 30.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a sunny open place (d) a balloon
31. 31.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
32. 32.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
33. 33.True or false: a magnet is needed for the shadow clock. (a) False (b) True
34. 34.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) an object blocks light (d) light bends round it
35. 35.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a mirror (d) a clock to check
37. 37.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a battery cell (d) a mirror
38. 38.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
39. 39.🧺 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 straight stick
40. 40.⚖️ 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) False (b) True

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