Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 570 · 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.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a clock to check (d) a straight stick
2. 2.🔍 Which is the odd one out? (a) a brick (b) frosted glass (c) butter paper (d) oily paper
3. 3.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
4. 4.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
5. 5.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) up (d) north
6. 6.🔦 Which of these is transparent? (a) frosted glass (b) a brick (c) your hand (d) clean water
7. 7.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
8. 8.⚖️ 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
9. 9.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
11. 11.True or false: butter paper is transparent. (a) True (b) False
12. 12.🔦 Which of these is translucent? (a) butter paper (b) a wooden board (c) your hand (d) clear plastic film
13. 13.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
14. 14.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
15. 15.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
16. 16.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the ground is dark (d) the object is cold
17. 17.⚖️ 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
18. 18.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a cap or hat (d) a woollen sweater
19. 19.⚖️ 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 stick (b) the time of day (c) the stick kept upright (d) shadow length
20. 20.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) clear glass (d) a book
21. 21.True or false: your hand is transparent. (a) True (b) False
22. 22.⚖️ 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
23. 23.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a straight stick (c) a magnet (d) turmeric powder
24. 24.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
25. 25.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) the stick walks (d) Earth keeps spinning
26. 26.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) turmeric powder (c) a clock to check (d) a sunny open place
28. 28.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the same stick (c) the same spot (d) shadow length
30. 30.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) air (d) a brick
31. 31.True or false: yeast is needed for the shadow clock. (a) True (b) False
32. 32.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) tissue paper (d) a wooden board
34. 34.⚖️ 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) False (b) True
35. 35.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) chalk to mark shadows (d) yeast
36. 36.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same stick
38. 38.⚖️ 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
39. 39.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a magnet (c) a battery cell (d) a mirror
40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it

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