Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 620 · 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) frosted glass (d) clean water
2. 2.🔦 Which of these is transparent? (a) air (b) your hand (c) a steel plate (d) a wooden board
3. 3.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) a book (d) clear glass
4. 4.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) a sunny open place (d) a clock to check
5. 5.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a battery cell (c) yeast (d) turmeric powder
6. 6.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) a book (d) butter paper
8. 8.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
9. 9.⚖️ 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 change it (c) we keep it the same
10. 10.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) early morning (d) late evening
11. 11.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
12. 12.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
13. 13.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) a mirror (d) a magnet
14. 14.🔍 Which is the odd one out? (a) a steel plate (b) oily paper (c) frosted glass (d) butter paper
15. 15.🧺 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 balloon (d) chalk to mark shadows
16. 16.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
17. 17.🧺 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 magnet
18. 18.🔦 Which of these is transparent? (a) a wooden board (b) clear plastic film (c) tissue paper (d) a steel plate
19. 19.⚖️ 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
20. 20.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
21. 21.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
22. 22.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
24. 24.🔦 Which of these is translucent? (a) clear plastic film (b) frosted glass (c) a book (d) clean water
25. 25.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) weighing things (d) measuring rain
26. 26.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) runs faster (d) does not work well
27. 27.🧺 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 mirror
28. 28.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a battery cell (d) a sunny open place
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same spot (c) the same stick (d) the time of day
30. 30.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) a book (d) tissue paper
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
32. 32.📘 Why does a shadow form? (a) an object blocks light (b) the ground is dark (c) the object is cold (d) light bends round it
33. 33.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
36. 36.True or false: a balloon is needed for the shadow clock. (a) False (b) True
37. 37.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
38. 38.🧺 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) yeast (d) a straight stick
39. 39.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
40. 40.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

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