Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 275 · 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.True or false: oily paper is translucent. (a) True (b) False
2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a mirror (d) a clock to check
3. 3.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) a brick (d) air
4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a magnet (d) chalk to mark shadows
5. 5.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
6. 6.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) a brick (d) air
7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) missing (d) long
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🔍 Which is the odd one out? (a) oily paper (b) your hand (c) a wooden board (d) a brick
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
11. 11.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a clock to check (c) a balloon (d) a mirror
12. 12.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
13. 13.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a straight stick (d) a balloon
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) the same spot (b) shadow length (c) the time of day (d) the stick kept upright
15. 15.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
16. 16.⚖️ 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
17. 17.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) brighter (d) coloured
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the stick kept upright (c) the time of day (d) shadow length
19. 19.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
20. 20.🔦 Which of these is opaque? (a) a wooden board (b) frosted glass (c) air (d) oily paper
21. 21.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a balloon (d) a straight stick
23. 23.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
24. 24.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) does not work well (d) works better
25. 25.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
26. 26.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
27. 27.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) yeast (d) a magnet
28. 28.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
29. 29.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a battery cell (d) a straight stick
31. 31.🔦 Which of these is translucent? (a) your hand (b) tissue paper (c) clear plastic film (d) a wooden board
32. 32.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
33. 33.⚖️ 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 keep it the same (c) we measure it
34. 34.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
35. 35.⚖️ 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) True (b) False
36. 36.🔦 Is air opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
37. 37.🔍 Which is the odd one out? (a) clear plastic film (b) a book (c) a brick (d) a wooden board
38. 38.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) a sunny open place (d) a straight stick
39. 39.🧺 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 sunny open place (d) yeast
40. 40.True or false: oily paper is transparent. (a) True (b) False

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