Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 441 · 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 kept the same? (a) the time of day (b) the same stick (c) shadow length
2. 2.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) air (d) your hand
3. 3.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
4. 4.🔦 Which of these is opaque? (a) oily paper (b) air (c) butter paper (d) a steel plate
5. 5.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
6. 6.⚖️ 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
7. 7.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) False (b) True
9. 9.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
10. 10.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
11. 11.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
12. 12.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) an object blocks light (d) the ground is dark
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) brighter (d) smaller
15. 15.🛟 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
16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
18. 18.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) a wooden board (d) tissue paper
19. 19.⚖️ 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
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the stick kept upright (c) the same stick (d) shadow length
22. 22.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) your hand (d) tissue paper
23. 23.True or false: tissue paper is translucent. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a brick (b) your hand (c) clean water (d) a steel plate
25. 25.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a magnet (d) a clock to check
27. 27.🛟 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
28. 28.True or false: tissue paper is opaque. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) clear plastic film (d) a brick
32. 32.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) turmeric powder (c) a sunny open place (d) a magnet
33. 33.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a battery cell (d) turmeric powder
34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
35. 35.⚖️ 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
36. 36.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
37. 37.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a balloon (c) yeast (d) a magnet
38. 38.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) yeast (d) a straight stick
39. 39.⚖️ 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
40. 40.⚖️ 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 stick (c) the time of day (d) the stick kept upright

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