Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 500 · 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.True or false: yeast is not needed for the shadow clock. (a) True (b) False
2. 2.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
3. 3.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
4. 4.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
5. 5.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
7. 7.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
8. 8.⚖️ 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
9. 9.⚖️ 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
10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same stick (c) shadow length (d) the time of day
11. 11.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a magnet (c) a balloon (d) a mirror
14. 14.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
15. 15.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a clock to check (d) yeast
16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a straight stick (d) chalk to mark shadows
17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) clear plastic film (d) a wooden board
19. 19.True or false: tissue paper is opaque. (a) False (b) True
20. 20.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) yeast (d) turmeric powder
22. 22.🔦 Which of these is translucent? (a) clear plastic film (b) a steel plate (c) your hand (d) oily paper
23. 23.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
24. 24.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) bigger (d) brighter
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) turmeric powder (d) a straight stick
26. 26.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
29. 29.🧺 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 magnet
30. 30.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a straight stick (d) a balloon
31. 31.🔦 Which of these is translucent? (a) clean water (b) a book (c) a wooden board (d) butter paper
32. 32.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) clear plastic film (b) your hand (c) air (d) clear glass
34. 34.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) wear a cap (d) mark with chalk
35. 35.True or false: turmeric powder is 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 sunny open place (c) yeast (d) chalk to mark shadows
37. 37.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) air (b) a wooden board (c) clear glass (d) clean water
39. 39.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
40. 40.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) telling the time (d) weighing things

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