Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 829 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
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 same spot (b) the same stick (c) the stick kept upright (d) the time of day
4. 4.⚖️ 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
5. 5.⚖️ 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
6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) your hand (b) clear glass (c) clear plastic film (d) air
8. 8.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clean water (d) a brick
9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a balloon (d) a clock to check
11. 11.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
12. 12.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
13. 13.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
15. 15.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
16. 16.🔦 Which of these is opaque? (a) a wooden board (b) tissue paper (c) clear plastic film (d) clear glass
17. 17.True or false: oily paper is translucent. (a) True (b) False
18. 18.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
19. 19.True or false: tissue paper is opaque. (a) True (b) False
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
21. 21.True or false: a book is translucent. (a) True (b) False
22. 22.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a clock to check (d) a balloon
23. 23.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
24. 24.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a battery cell (c) a clock to check (d) a straight stick
26. 26.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
27. 27.⚖️ 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
28. 28.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
29. 29.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
30. 30.True or false: butter paper is translucent. (a) True (b) False
31. 31.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) a straight stick (d) yeast
32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a straight stick
33. 33.🔍 Which is the odd one out? (a) a brick (b) clean water (c) a book (d) a wooden board
34. 34.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) making rainbows (d) weighing things
35. 35.🔦 Which of these is opaque? (a) clean water (b) a book (c) tissue paper (d) frosted glass
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the same stick (c) shadow length
37. 37.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) oily paper (d) your hand
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the time of day (d) the same stick
39. 39.True or false: frosted glass is translucent. (a) False (b) True
40. 40.🛟 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

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