Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 434 · 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.🔦 Which of these is opaque? (a) clear glass (b) a book (c) butter paper (d) oily paper
2. 2.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) clear plastic film (d) tissue paper
3. 3.True or false: tissue paper is translucent. (a) False (b) True
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 stick kept upright (b) shadow length (c) the same stick (d) the time of day
5. 5.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
6. 6.🛟 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
7. 7.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a brick (d) clear plastic film
9. 9.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a clock to check (c) a magnet (d) a battery cell
10. 10.📘 Why does a shadow form? (a) light bends round it (b) an object blocks light (c) the object is cold (d) the ground is dark
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) shadow length (d) the stick kept upright
12. 12.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) turmeric powder (d) a sunny open place
13. 13.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) your hand (d) a brick
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) a raincoat (d) nothing on your head
16. 16.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a wooden board (d) oily paper
17. 17.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
18. 18.⚖️ 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 same spot (c) shadow length
19. 19.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
20. 20.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) works better (c) runs faster (d) shows two times
21. 21.🔍 Which is the odd one out? (a) air (b) clean water (c) clear glass (d) tissue paper
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.🔦 Which of these is translucent? (a) a wooden board (b) frosted glass (c) clear plastic film (d) clean water
24. 24.True or false: a mirror is needed for the shadow clock. (a) True (b) False
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) yeast (c) a straight stick (d) a sunny open place
26. 26.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
27. 27.🧺 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 magnet (d) chalk to mark shadows
28. 28.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
29. 29.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) long (d) short
30. 30.True or false: your hand is transparent. (a) True (b) False
31. 31.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.🔍 Which is the odd one out? (a) a book (b) clear plastic film (c) clear glass (d) air
34. 34.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
35. 35.True or false: clean water is transparent. (a) True (b) False
36. 36.⚖️ 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 measure it (c) we change it
37. 37.⚖️ 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) False (b) True
38. 38.🔦 Which of these is translucent? (a) your hand (b) clean water (c) tissue paper (d) a steel plate
39. 39.🔦 Which of these is opaque? (a) a wooden board (b) air (c) oily paper (d) clear glass
40. 40.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent

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