Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 75 · 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? Which of these is what we measure? (a) the time of day (b) shadow length (c) the same stick (d) the same spot
2. 2.True or false: clear plastic film is transparent. (a) False (b) True
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.True or false: a brick is transparent. (a) True (b) False
5. 5.⚖️ 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 time of day (c) the same stick (d) the same spot
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) True (b) False
7. 7.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a magnet (d) a straight stick
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
9. 9.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the ground slides (d) the stick walks
10. 10.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a balloon
11. 11.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) butter paper (b) clear plastic film (c) clear glass (d) clean water
13. 13.⚖️ 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
14. 14.🔦 Which of these is opaque? (a) oily paper (b) a brick (c) air (d) frosted glass
15. 15.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
16. 16.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
17. 17.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) butter paper (d) clear plastic film
18. 18.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
19. 19.🧺 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 straight stick (d) a clock to check
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) a straight stick (d) a sunny open place
21. 21.🔦 Which of these is transparent? (a) oily paper (b) air (c) butter paper (d) a brick
22. 22.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a magnet (d) a balloon
23. 23.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) brighter (d) bigger
24. 24.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
25. 25.🔦 Which of these is transparent? (a) a wooden board (b) tissue paper (c) clear plastic film (d) oily paper
26. 26.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) look straight at the Sun (d) sit in the shade
27. 27.🔦 Which of these is transparent? (a) a wooden board (b) a brick (c) clear glass (d) oily paper
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) chalk to mark shadows (d) a clock to check
29. 29.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a balloon (d) a sunny open place
31. 31.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a raincoat (d) a cap or hat
32. 32.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) turmeric powder (d) chalk to mark shadows
33. 33.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
34. 34.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
35. 35.True or false: a steel plate is transparent. (a) True (b) False
36. 36.🔦 Which of these is opaque? (a) frosted glass (b) butter paper (c) clear glass (d) a wooden board
37. 37.⚖️ 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
38. 38.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
39. 39.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
40. 40.True or false: a magnet is needed for the shadow clock. (a) True (b) False

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