Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 573 · 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.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
2. 2.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a magnet (d) a straight stick
3. 3.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
4. 4.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
5. 5.True or false: a mirror is needed for the shadow clock. (a) False (b) True
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) turmeric powder (d) a sunny open place
7. 7.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
8. 8.⚖️ 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 time of day (d) shadow length
9. 9.⚖️ 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
10. 10.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
11. 11.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
12. 12.⚖️ 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) True (b) False
13. 13.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) does not work well (d) shows two times
14. 14.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a straight stick (c) chalk to mark shadows (d) a clock to check
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the stick kept upright (c) the same spot (d) the time of day
17. 17.🧺 Which of these is needed for the shadow clock? (a) yeast (b) turmeric powder (c) a magnet (d) a sunny open place
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
19. 19.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a sunny open place (d) a mirror
21. 21.🔍 Which is the odd one out? (a) butter paper (b) air (c) clean water (d) clear plastic film
22. 22.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a battery cell
23. 23.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
24. 24.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) yeast (d) chalk to mark shadows
26. 26.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
27. 27.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
28. 28.True or false: a steel plate is transparent. (a) True (b) False
29. 29.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a sunny open place (d) a balloon
30. 30.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
31. 31.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
32. 32.True or false: a steel plate is translucent. (a) True (b) False
33. 33.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
34. 34.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) clear glass (b) a steel plate (c) clean water (d) clear plastic film
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the same stick
37. 37.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a wooden board (d) air
38. 38.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the ground slides (d) the stick grows
39. 39.True or false: butter paper is translucent. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) air (d) frosted glass

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