Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 440 · 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 tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
2. 2.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
3. 3.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) measuring rain (d) telling the time
4. 4.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
5. 5.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
6. 6.🧺 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 straight stick (d) yeast
7. 7.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
8. 8.⚖️ 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 time of day (c) the same spot (d) shadow length
9. 9.🔦 Is air opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
11. 11.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a straight stick (c) a clock to check (d) a sunny open place
12. 12.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
13. 13.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
14. 14.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
15. 15.🔦 Which of these is opaque? (a) a brick (b) butter paper (c) frosted glass (d) air
16. 16.🔍 Which is the odd one out? (a) a book (b) frosted glass (c) oily paper (d) tissue paper
17. 17.⚖️ 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
18. 18.True or false: tissue paper is opaque. (a) True (b) False
19. 19.🧺 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) turmeric powder
20. 20.True or false: air is transparent. (a) True (b) False
21. 21.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a mirror (d) a sunny open place
22. 22.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) yeast (d) a battery cell
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) False (b) True
24. 24.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the ground slides (d) the stick grows
25. 25.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
26. 26.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
27. 27.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
28. 28.⚖️ 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) True (b) False
29. 29.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
30. 30.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) a wooden board (d) tissue paper
31. 31.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) coloured (d) brighter
32. 32.🔦 Which of these is translucent? (a) clear glass (b) tissue paper (c) clear plastic film (d) a brick
33. 33.🔍 Which is the odd one out? (a) your hand (b) clear glass (c) clear plastic film (d) air
34. 34.True or false: a balloon is needed for the shadow clock. (a) True (b) False
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🔦 Which of these is opaque? (a) a wooden board (b) frosted glass (c) clear glass (d) air
37. 37.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) at night (d) around noon
38. 38.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) a steel plate (d) tissue paper
39. 39.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False

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