Shadow and Sundial Experiment Worksheet

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

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids