Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 299 · 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: frosted glass is translucent. (a) True (b) False
2. 2.🕰️ What is a sundial used for? (a) telling the time (b) weighing things (c) measuring rain (d) making rainbows
3. 3.⚖️ 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
4. 4.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) yeast (c) a magnet (d) chalk to mark shadows
5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
6. 6.⚖️ 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 time of day (c) the same spot (d) the stick kept upright
7. 7.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
8. 8.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
9. 9.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the stick grows (d) the ground slides
10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a woollen sweater (d) a cap or hat
11. 11.🔍 Which is the odd one out? (a) clean water (b) tissue paper (c) butter paper (d) oily paper
12. 12.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a balloon (d) a clock to check
13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
14. 14.⚖️ 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
15. 15.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
16. 16.⚖️ 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 time of day (c) the same spot
17. 17.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
18. 18.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
19. 19.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) a straight stick (d) a sunny open place
20. 20.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a straight stick (d) a clock to check
22. 22.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) frosted glass (d) air
23. 23.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a sunny open place (c) a mirror (d) a battery cell
24. 24.⚖️ 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
25. 25.True or false: a brick is opaque. (a) True (b) False
26. 26.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
27. 27.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) tissue paper (d) your hand
29. 29.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a balloon (c) a straight stick (d) a battery cell
30. 30.🔍 Which is the odd one out? (a) clear glass (b) your hand (c) clean water (d) air
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
32. 32.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
33. 33.🔦 Which of these is opaque? (a) clear plastic film (b) butter paper (c) oily paper (d) a wooden board
34. 34.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
35. 35.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
37. 37.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a straight stick (d) a clock to check
40. 40.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

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