Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 49 · 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 not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) a battery cell
2. 2.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) nothing on your head (d) a cap or hat
3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a straight stick (d) a clock to check
4. 4.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
5. 5.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
7. 7.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
8. 8.🔍 Which is the odd one out? (a) a book (b) clear plastic film (c) air (d) clear glass
9. 9.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
10. 10.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
11. 11.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
12. 12.⚖️ 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
13. 13.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a magnet (d) yeast
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
17. 17.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a sunny open place (d) a straight stick
18. 18.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) clear glass (d) frosted glass
19. 19.True or false: butter paper is translucent. (a) True (b) False
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a balloon
21. 21.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
22. 22.True or false: clear plastic film is opaque. (a) True (b) False
23. 23.⚖️ 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
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the stick kept upright (c) the time of day (d) the same stick
25. 25.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) an object blocks light (d) the ground is dark
26. 26.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
27. 27.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) works better (c) runs faster (d) shows two times
28. 28.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
29. 29.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
30. 30.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a sunny open place (d) a mirror
31. 31.True or false: clear glass is opaque. (a) False (b) True
32. 32.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) brighter (d) bigger
33. 33.⚖️ 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 same spot
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) False (b) True
35. 35.🔦 Which of these is opaque? (a) tissue paper (b) clean water (c) clear plastic film (d) a wooden board
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
39. 39.🔦 Which of these is opaque? (a) clear plastic film (b) a brick (c) frosted glass (d) tissue paper
40. 40.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent

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