Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 969 · 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 is the odd one out? (a) oily paper (b) tissue paper (c) butter paper (d) clear plastic film
2. 2.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
3. 3.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
4. 4.🔍 Which is the odd one out? (a) a wooden board (b) air (c) clear glass (d) clean water
5. 5.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
6. 6.🔍 Which is the odd one out? (a) a book (b) tissue paper (c) a brick (d) a wooden board
7. 7.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) butter paper (d) a steel plate
9. 9.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a magnet (d) chalk to mark shadows
10. 10.True or false: clear plastic film is transparent. (a) False (b) True
11. 11.⚖️ 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
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🔦 Which of these is translucent? (a) clean water (b) a wooden board (c) clear glass (d) oily paper
14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a battery cell
15. 15.True or false: yeast is not needed for the shadow clock. (a) False (b) True
16. 16.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) yeast (c) a battery cell (d) a magnet
17. 17.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) a clock to check (d) a straight stick
19. 19.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a battery cell (c) a mirror (d) a magnet
20. 20.⚖️ 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
21. 21.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) tissue paper (d) butter paper
23. 23.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
25. 25.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a straight stick (c) turmeric powder (d) a battery cell
26. 26.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) turmeric powder (d) a sunny open place
28. 28.⚖️ 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
29. 29.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) yeast
31. 31.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
32. 32.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
33. 33.⚖️ 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
34. 34.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a mirror (c) a clock to check (d) a balloon
35. 35.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
36. 36.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clean water (d) frosted glass
37. 37.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) True (b) False
39. 39.⚖️ 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 same stick (d) shadow length
40. 40.True or false: air is transparent. (a) False (b) True

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