Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 709 · 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.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) shadow length (d) the stick kept upright
3. 3.True or false: tissue paper is transparent. (a) False (b) True
4. 4.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
5. 5.⚖️ 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 keep it the same (c) we measure it
6. 6.⚖️ 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) False (b) True
7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) missing (d) short
8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a sunny open place (d) a battery cell
9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
10. 10.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) a brick (d) butter paper
11. 11.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) runs faster (d) does not work well
12. 12.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
13. 13.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
14. 14.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
15. 15.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the same stick
17. 17.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
18. 18.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) smaller (d) brighter
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a sunny open place
20. 20.🔦 Which of these is translucent? (a) clear glass (b) butter paper (c) a book (d) air
21. 21.🧺 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 magnet (d) a straight stick
22. 22.True or false: a mirror is needed for the shadow clock. (a) False (b) True
23. 23.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) turmeric powder (c) yeast (d) chalk to mark shadows
24. 24.⚖️ 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) False (b) True
25. 25.True or false: a magnet is needed for the shadow clock. (a) True (b) False
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
28. 28.🔦 Which of these is transparent? (a) a steel plate (b) clear plastic film (c) oily paper (d) frosted glass
29. 29.True or false: yeast is not needed for the shadow clock. (a) True (b) False
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) chalk to mark shadows (d) a straight stick
33. 33.🔦 Which of these is opaque? (a) a brick (b) clear glass (c) frosted glass (d) tissue paper
34. 34.⚖️ 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
35. 35.🔦 Which of these is transparent? (a) oily paper (b) a brick (c) your hand (d) clear glass
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a battery cell
37. 37.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
38. 38.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
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) shadow length (b) the time of day (c) the same stick (d) the stick kept upright
40. 40.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) chalk to mark shadows (d) a clock to check

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