Shadow and Sundial Experiment Worksheet

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

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