Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 802 · 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) a book (b) clear glass (c) butter paper (d) tissue paper
2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a sunny open place (d) a clock to check
3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a straight stick (c) a sunny open place (d) a clock to check
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 same stick (b) the same spot (c) the time of day (d) shadow length
5. 5.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) your hand (d) clear glass
6. 6.⚖️ 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 change it (c) we measure it
7. 7.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
9. 9.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) brighter (d) coloured
10. 10.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
11. 11.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) a book (b) oily paper (c) butter paper (d) tissue paper
14. 14.⚖️ 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 change it (c) we measure it
15. 15.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
16. 16.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) yeast (d) a battery cell
17. 17.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
18. 18.🔦 Which of these is transparent? (a) frosted glass (b) butter paper (c) a book (d) clear plastic film
19. 19.⚖️ 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) shadow length (c) the stick kept upright
20. 20.⚖️ 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
21. 21.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
23. 23.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) around noon (d) at night
24. 24.True or false: yeast is needed for the shadow clock. (a) True (b) False
25. 25.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
26. 26.🔦 Which of these is transparent? (a) a steel plate (b) a brick (c) clear glass (d) oily paper
27. 27.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.True or false: a mirror is needed for the shadow clock. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) your hand (d) butter paper
31. 31.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
32. 32.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) frosted glass (d) a brick
33. 33.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a magnet (d) a clock to check
35. 35.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
36. 36.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a magnet (d) a battery cell
37. 37.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
38. 38.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) the ground is dark (d) an object blocks light
39. 39.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
40. 40.🔦 Which of these is opaque? (a) butter paper (b) tissue paper (c) a steel plate (d) clear plastic film

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