Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 568 · 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) west (b) east (c) up (d) north
2. 2.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) tissue paper (d) your hand
3. 3.⚖️ 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) shadow length (d) the same stick
4. 4.🧺 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) a straight stick (d) a balloon
5. 5.🌞 When is a stick’s shadow the shortest? (a) late evening (b) early morning (c) at night (d) around noon
6. 6.True or false: clean water is transparent. (a) False (b) True
7. 7.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the ground slides (c) the stick walks (d) Earth keeps spinning
8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) smaller (c) bigger (d) brighter
9. 9.🔦 Which of these is transparent? (a) a wooden board (b) a book (c) butter paper (d) clear glass
10. 10.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
11. 11.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
12. 12.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a clock to check (d) turmeric powder
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
14. 14.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a battery cell (d) chalk to mark shadows
15. 15.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) a steel plate (d) air
17. 17.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) turmeric powder (d) a sunny open place
19. 19.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) a battery cell (d) a straight stick
20. 20.⚖️ 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 same stick (c) the same spot (d) the time of day
21. 21.📘 Why does a shadow form? (a) light bends round it (b) an object blocks light (c) the ground is dark (d) the object is cold
22. 22.⚖️ 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 keep it the same (c) we measure it
23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) tissue paper (b) air (c) clear glass (d) clean water
28. 28.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) clear glass (d) a wooden board
29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
30. 30.🔦 Which of these is translucent? (a) a steel plate (b) a wooden board (c) oily paper (d) clear glass
31. 31.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a straight stick (d) a clock to check
32. 32.⚖️ 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 measure it (c) we change it
33. 33.🧺 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 battery cell
34. 34.True or false: clean water is translucent. (a) True (b) False
35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a clock to check (c) a sunny open place (d) a straight stick
37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) False (b) True
38. 38.🔦 Which of these is translucent? (a) a wooden board (b) a brick (c) a book (d) tissue paper
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
40. 40.True or false: a magnet is needed for the shadow clock. (a) True (b) False

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