Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 659 · 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.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
2. 2.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) telling the time (d) weighing things
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same stick (c) the stick kept upright (d) the same spot
4. 4.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) smaller (d) coloured
5. 5.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a magnet (d) a sunny open place
6. 6.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a mirror (d) a straight stick
8. 8.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
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 change it (b) we measure it (c) we keep it the same
10. 10.True or false: a mirror is needed for the shadow clock. (a) True (b) False
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a balloon (d) a straight stick
12. 12.🔦 Which of these is transparent? (a) a steel plate (b) tissue paper (c) clear plastic film (d) a brick
13. 13.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) a straight stick (d) chalk to mark shadows
14. 14.🔦 Which of these is opaque? (a) butter paper (b) oily paper (c) a wooden board (d) frosted glass
15. 15.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) tissue paper (d) air
16. 16.🛟 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
17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) runs faster (d) does not work well
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
20. 20.🔍 Which is the odd one out? (a) a book (b) clean water (c) a steel plate (d) a wooden board
21. 21.📘 Why does a shadow form? (a) the ground is dark (b) an object blocks light (c) the object is cold (d) light bends round it
22. 22.True or false: yeast is needed for the shadow clock. (a) True (b) False
23. 23.🔦 Which of these is transparent? (a) oily paper (b) clear glass (c) a brick (d) a book
24. 24.🔍 Which is the odd one out? (a) clear glass (b) butter paper (c) frosted glass (d) oily paper
25. 25.⚖️ 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 stick kept upright (c) shadow length (d) the same spot
26. 26.🔦 Which of these is opaque? (a) tissue paper (b) a brick (c) air (d) oily paper
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a clock to check (c) a straight stick (d) a sunny open place
28. 28.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) True (b) False
30. 30.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) chalk to mark shadows (d) turmeric powder
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) chalk to mark shadows (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 “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a clock to check (d) a magnet
34. 34.🧺 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 magnet (d) a clock to check
35. 35.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
36. 36.True or false: a steel plate is transparent. (a) False (b) True
37. 37.🔦 Which of these is translucent? (a) clear plastic film (b) butter paper (c) a wooden board (d) clear glass
38. 38.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
39. 39.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
40. 40.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False

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