Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 770 · 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? Which of these is what we measure? (a) the same stick (b) the time of day (c) the stick kept upright (d) shadow length
2. 2.⚖️ 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
3. 3.🔍 Which is the odd one out? (a) air (b) your hand (c) a steel plate (d) a wooden board
4. 4.⚖️ 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
5. 5.🔦 Which of these is translucent? (a) butter paper (b) a steel plate (c) a wooden board (d) a book
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) a straight stick (d) chalk to mark shadows
7. 7.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) a wooden board (d) butter paper
9. 9.⚖️ 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
10. 10.🌍 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
11. 11.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
12. 12.🧺 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 mirror (d) a straight stick
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
16. 16.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a mirror (c) a clock to check (d) a magnet
17. 17.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
18. 18.🔦 Which of these is transparent? (a) frosted glass (b) a steel plate (c) clear plastic film (d) oily paper
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
20. 20.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
21. 21.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
22. 22.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
23. 23.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
25. 25.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) coloured (d) bigger
26. 26.⚖️ 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
27. 27.⚖️ 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) the same stick (c) shadow length
28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) a sunny open place (d) a straight stick
29. 29.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) tissue paper (d) clean water
30. 30.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
31. 31.🔦 Which of these is opaque? (a) a book (b) clear plastic film (c) air (d) tissue paper
32. 32.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a mirror (c) turmeric powder (d) yeast
33. 33.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
34. 34.True or false: oily paper is opaque. (a) True (b) False
35. 35.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) yeast
37. 37.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) oily paper (d) a steel plate
38. 38.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) clear plastic film (d) your hand
39. 39.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
40. 40.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up

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