Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 691 · 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.🛟 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
2. 2.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) a battery cell (d) a clock to check
3. 3.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a clock to check (d) a straight stick
4. 4.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) round (d) long
5. 5.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
6. 6.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
7. 7.True or false: a balloon is needed for the shadow clock. (a) False (b) True
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🔍 Which is the odd one out? (a) clear glass (b) a book (c) clean water (d) air
10. 10.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
11. 11.⚖️ 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 stick kept upright (c) the time of day (d) shadow length
12. 12.📘 Why does a shadow form? (a) the ground is dark (b) the object is cold (c) an object blocks light (d) light bends round it
13. 13.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a battery cell
14. 14.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
15. 15.⚖️ 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 same stick (c) the time of day
16. 16.🧺 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 mirror
17. 17.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
18. 18.🧺 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 battery cell (d) a clock to check
19. 19.🔍 Which is the odd one out? (a) frosted glass (b) a brick (c) a book (d) your hand
20. 20.🔍 Which is the odd one out? (a) a book (b) your hand (c) clean water (d) a steel plate
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a straight stick (d) chalk to mark shadows
22. 22.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) measuring rain (d) weighing things
23. 23.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
24. 24.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
25. 25.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
26. 26.True or false: clear plastic film is translucent. (a) False (b) True
27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
28. 28.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
29. 29.🔍 Which is the odd one out? (a) clean water (b) tissue paper (c) clear plastic film (d) clear glass
30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.⚖️ 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
32. 32.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
33. 33.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) clear plastic film (b) a brick (c) your hand (d) a wooden board
35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a balloon
36. 36.True or false: a steel plate is opaque. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) tissue paper (b) clear glass (c) frosted glass (d) butter paper
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
39. 39.🔍 Which is the odd one out? (a) your hand (b) butter paper (c) oily paper (d) frosted glass
40. 40.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque

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