Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 579 · 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 time of day”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) clear glass (d) a book
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.🧺 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 balloon
5. 5.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
6. 6.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a straight stick (d) a clock to check
8. 8.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a mirror (d) a clock to check
9. 9.🔦 Which of these is transparent? (a) a wooden board (b) clear plastic film (c) your hand (d) a book
10. 10.🔦 Which of these is translucent? (a) your hand (b) a wooden board (c) a steel plate (d) butter paper
11. 11.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west
12. 12.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) at night (d) early morning
13. 13.True or false: clean water is opaque. (a) True (b) False
14. 14.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the stick walks (c) Earth keeps spinning (d) the ground slides
15. 15.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
16. 16.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) a woollen sweater (d) nothing on your head
17. 17.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) tissue paper (d) clear glass
18. 18.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
19. 19.🔍 Which is the odd one out? (a) frosted glass (b) a brick (c) butter paper (d) tissue paper
20. 20.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
21. 21.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) shadow length (c) the time of day
23. 23.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
24. 24.🔦 Which of these is opaque? (a) clear plastic film (b) butter paper (c) air (d) a steel plate
25. 25.🔦 Which of these is transparent? (a) clear glass (b) a book (c) your hand (d) tissue paper
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a balloon
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
29. 29.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
30. 30.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
31. 31.True or false: clear glass is translucent. (a) True (b) False
32. 32.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
33. 33.📘 Why does a shadow form? (a) the object is cold (b) an object blocks light (c) the ground is dark (d) light bends round it
34. 34.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) a wooden board (d) butter paper
35. 35.True or false: butter paper is translucent. (a) False (b) True
36. 36.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
37. 37.True or false: clear plastic film is transparent. (a) True (b) False
38. 38.🔦 Which of these is translucent? (a) clean water (b) clear glass (c) frosted glass (d) a steel plate
39. 39.True or false: a magnet is needed for the shadow clock. (a) True (b) False
40. 40.True or false: frosted glass is opaque. (a) False (b) True

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