Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 554 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
3. 3.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) does not work well (d) shows two times
4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.⚖️ 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) False (b) True
6. 6.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
7. 7.⚖️ 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 stick (c) shadow length
8. 8.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
9. 9.🔦 Which of these is opaque? (a) oily paper (b) a book (c) butter paper (d) air
10. 10.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
11. 11.🌍 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
12. 12.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the ground is dark (d) the object is cold
13. 13.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) tissue paper (d) a book
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) missing (d) round
16. 16.True or false: a balloon is needed for the shadow clock. (a) False (b) True
17. 17.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
18. 18.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a magnet
20. 20.🧺 Which of these is needed for the shadow clock? (a) yeast (b) turmeric powder (c) a mirror (d) a sunny open place
21. 21.⚖️ 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) True (b) False
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a straight stick (d) a sunny open place
23. 23.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) clear plastic film
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
25. 25.True or false: clean water is translucent. (a) True (b) False
26. 26.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) chalk to mark shadows (d) a sunny open place
27. 27.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) tissue paper (d) frosted glass
28. 28.⚖️ 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
29. 29.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
30. 30.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
31. 31.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
32. 32.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
33. 33.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
34. 34.🔦 Which of these is translucent? (a) a wooden board (b) clean water (c) butter paper (d) clear plastic film
35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a balloon (d) a sunny open place
36. 36.🔦 Which of these is translucent? (a) a book (b) a brick (c) a wooden board (d) oily paper
37. 37.True or false: a magnet is needed for the shadow clock. (a) False (b) True
38. 38.🌞 When is a stick’s shadow the shortest? (a) around noon (b) late evening (c) early morning (d) at night
39. 39.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
40. 40.🔍 Which is the odd one out? (a) oily paper (b) a brick (c) tissue paper (d) butter paper

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