Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 660 · 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.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
2. 2.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
3. 3.⚖️ 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
4. 4.🔍 Which is the odd one out? (a) your hand (b) air (c) a wooden board (d) a book
5. 5.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
6. 6.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a balloon (d) a clock to check
8. 8.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
9. 9.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a clock to check (d) a straight stick
10. 10.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) runs faster (d) works better
11. 11.⚖️ 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 same spot (c) shadow length (d) the time of day
12. 12.🛟 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
13. 13.⚖️ 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) True (b) False
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) shadow length (c) the time of day
16. 16.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) yeast (d) a clock to check
17. 17.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
18. 18.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a battery cell
21. 21.🔍 Which is the odd one out? (a) your hand (b) frosted glass (c) tissue paper (d) oily paper
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) shadow length (c) the time of day
23. 23.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
24. 24.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) a mirror (d) a battery cell
25. 25.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
26. 26.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
27. 27.🔦 Which of these is opaque? (a) a wooden board (b) clear glass (c) oily paper (d) butter paper
28. 28.🧺 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 mirror
29. 29.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
30. 30.🔦 Which of these is transparent? (a) clean water (b) frosted glass (c) oily paper (d) butter paper
31. 31.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
32. 32.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) clean water (b) oily paper (c) air (d) clear plastic film
34. 34.🧺 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 battery cell
35. 35.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
36. 36.🔦 Which of these is translucent? (a) a book (b) clean water (c) a wooden board (d) tissue paper
37. 37.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) turmeric powder
39. 39.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
40. 40.🕰️ What is a sundial used for? (a) measuring rain (b) telling the time (c) making rainbows (d) weighing things

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