Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 346 · 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: a straight stick is not needed for the shadow clock. (a) True (b) False
2. 2.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
3. 3.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
4. 4.🔦 Which of these is translucent? (a) clear plastic film (b) oily paper (c) a wooden board (d) a steel plate
5. 5.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
6. 6.⚖️ 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
7. 7.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
8. 8.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
9. 9.📘 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
10. 10.🔦 Which of these is transparent? (a) clear glass (b) your hand (c) tissue paper (d) a brick
11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
12. 12.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the stick walks (c) the ground slides (d) Earth keeps spinning
13. 13.⚖️ 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
14. 14.🧺 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 clock to check (d) turmeric powder
15. 15.⚖️ 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 change it (c) we keep it the same
16. 16.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
17. 17.True or false: clear glass is transparent. (a) True (b) False
18. 18.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.🕰️ What is a sundial used for? (a) measuring rain (b) telling the time (c) weighing things (d) making rainbows
21. 21.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
22. 22.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) mark with chalk (d) sit in the shade
23. 23.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a magnet
24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same spot (c) the time of day (d) the same stick
25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
28. 28.🔦 Which of these is opaque? (a) air (b) frosted glass (c) butter paper (d) a brick
29. 29.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a magnet (c) chalk to mark shadows (d) a straight stick
30. 30.🔍 Which is the odd one out? (a) butter paper (b) clear plastic film (c) oily paper (d) frosted glass
31. 31.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a mirror (c) a sunny open place (d) a straight stick
32. 32.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) frosted glass (d) your hand
33. 33.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
34. 34.🔍 Which is the odd one out? (a) air (b) a steel plate (c) clear glass (d) clean water
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.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
37. 37.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
38. 38.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
39. 39.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) tissue paper (d) a brick
40. 40.True or false: a mirror is needed for the shadow clock. (a) True (b) False

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