Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 890 · 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.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) smaller (d) brighter
2. 2.⚖️ 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 keep it the same (c) we measure it
3. 3.True or false: a balloon is needed for the shadow clock. (a) True (b) False
4. 4.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) weighing things (d) making rainbows
5. 5.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) a wooden board (d) air
6. 6.True or false: tissue paper is opaque. (a) True (b) False
7. 7.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
8. 8.⚖️ 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 same spot (c) the time of day (d) shadow length
9. 9.🔦 Which of these is transparent? (a) butter paper (b) tissue paper (c) your hand (d) clear glass
10. 10.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
11. 11.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
12. 12.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) turmeric powder (d) a magnet
13. 13.⚖️ 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) shadow length (d) the same spot
14. 14.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a mirror (d) a clock to check
15. 15.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a balloon
16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a sunny open place (d) a clock to check
17. 17.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
18. 18.⚖️ 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
19. 19.⚖️ 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
20. 20.🔍 Which is the odd one out? (a) a book (b) a brick (c) a wooden board (d) oily paper
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) a balloon
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a clock to check (d) a sunny open place
23. 23.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a battery cell (d) a sunny open place
25. 25.🛟 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
26. 26.🔍 Which is the odd one out? (a) your hand (b) frosted glass (c) a brick (d) a steel plate
27. 27.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) long (d) short
28. 28.⚖️ 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) False (b) True
29. 29.True or false: clean water is opaque. (a) False (b) True
30. 30.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) a sunny open place (d) turmeric powder
31. 31.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) oily paper (d) clear glass
32. 32.🔦 Which of these is opaque? (a) clear glass (b) frosted glass (c) clear plastic film (d) a book
33. 33.🔦 Which of these is translucent? (a) clear plastic film (b) a brick (c) oily paper (d) clean water
34. 34.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) a wooden board (d) tissue paper
35. 35.🔦 Which of these is opaque? (a) butter paper (b) oily paper (c) a steel plate (d) clear glass
36. 36.True or false: a book is translucent. (a) True (b) False
37. 37.⚖️ 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) False (b) True
38. 38.⚖️ 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) the time of day (c) shadow length
39. 39.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
40. 40.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True

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