Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 960 · 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.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
2. 2.🕰️ What is a sundial used for? (a) measuring rain (b) telling the time (c) weighing things (d) making rainbows
3. 3.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a mirror (c) a sunny open place (d) a balloon
4. 4.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) a raincoat (d) nothing on your head
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
6. 6.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west
7. 7.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a steel plate (d) clear plastic film
8. 8.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a straight stick (d) a clock to check
9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same stick
10. 10.📘 Why does a shadow form? (a) light bends round it (b) the object is cold (c) an object blocks light (d) the ground is dark
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a straight stick (d) turmeric powder
13. 13.🔍 Which is the odd one out? (a) tissue paper (b) clear glass (c) air (d) clean water
14. 14.True or false: oily paper is translucent. (a) False (b) True
15. 15.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
16. 16.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
17. 17.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
19. 19.🧺 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
20. 20.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) works better (c) shows two times (d) runs faster
21. 21.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
22. 22.⚖️ 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
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) yeast (c) chalk to mark shadows (d) a battery cell
25. 25.🔦 Which of these is translucent? (a) oily paper (b) clear plastic film (c) a steel plate (d) air
26. 26.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
27. 27.⚖️ 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) True (b) False
28. 28.True or false: a mirror is needed for the shadow clock. (a) True (b) False
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the same stick (c) shadow length (d) the same spot
30. 30.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
31. 31.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
32. 32.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
33. 33.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
34. 34.⚖️ 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) the time of day (c) the stick kept upright (d) shadow length
35. 35.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
36. 36.True or false: clear plastic film is transparent. (a) False (b) True
37. 37.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
38. 38.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
39. 39.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) missing (d) round
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a clock to check (c) a straight stick (d) a sunny open place

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