Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 376 · 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 balloon for the shadow clock? (a) needed (b) not needed
2. 2.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
3. 3.🔦 Which of these is transparent? (a) clean water (b) oily paper (c) frosted glass (d) a book
4. 4.⚖️ 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
5. 5.⚖️ 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
6. 6.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
7. 7.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
8. 8.⚖️ 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 keep it the same (c) we measure it
9. 9.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) clear plastic film (d) oily paper
10. 10.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a balloon (c) turmeric powder (d) a straight stick
11. 11.⚖️ 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
12. 12.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
14. 14.⚖️ 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 same spot (c) the same stick (d) the time of day
15. 15.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a straight stick
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the same spot (c) the time of day (d) shadow length
18. 18.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
19. 19.True or false: a brick is transparent. (a) True (b) False
20. 20.⚖️ 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
21. 21.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) nothing on your head (d) a raincoat
22. 22.🧺 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 straight stick (d) a clock to check
23. 23.⚖️ 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
24. 24.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
25. 25.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) True (b) False
27. 27.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
28. 28.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) turmeric powder (c) a balloon (d) chalk to mark shadows
29. 29.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
30. 30.🔍 Which is the odd one out? (a) oily paper (b) a steel plate (c) a wooden board (d) your hand
31. 31.⚖️ 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) the stick kept upright (c) shadow length
32. 32.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
33. 33.True or false: tissue paper is opaque. (a) False (b) True
34. 34.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
35. 35.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
36. 36.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) round (d) long
37. 37.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
39. 39.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a clock to check
40. 40.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

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