Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 618 · 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.⚖️ 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
2. 2.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
3. 3.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
4. 4.🔍 Which is the odd one out? (a) clear glass (b) air (c) a steel plate (d) clear plastic film
5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
6. 6.🔦 Which of these is opaque? (a) air (b) clear glass (c) tissue paper (d) your hand
7. 7.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
8. 8.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
9. 9.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) clear glass (d) your hand
10. 10.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
11. 11.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
12. 12.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
13. 13.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
14. 14.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
15. 15.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
16. 16.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
17. 17.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a mirror (d) chalk to mark shadows
18. 18.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a battery cell (d) chalk to mark shadows
19. 19.True or false: a magnet is needed for the shadow clock. (a) True (b) False
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 measure it (b) we change it (c) we keep it the same
21. 21.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
22. 22.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the stick walks (d) the ground slides
23. 23.⚖️ 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) True (b) False
24. 24.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) your hand (d) butter paper
25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) yeast (d) chalk to mark shadows
27. 27.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
28. 28.🔦 Which of these is opaque? (a) frosted glass (b) clean water (c) a brick (d) butter paper
29. 29.🧺 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 mirror (d) a straight stick
30. 30.⚖️ 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
31. 31.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the stick kept upright (c) the same spot (d) shadow length
33. 33.⚖️ 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 change it (c) we measure it
34. 34.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
36. 36.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
37. 37.⚖️ 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 measure it (c) we change it
38. 38.⚖️ 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
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.⚖️ 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 same stick (c) the stick kept upright (d) the time of day

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