Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 266 · 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 same stick (b) the same spot (c) the stick kept upright (d) shadow length
2. 2.True or false: a balloon is needed for the shadow clock. (a) True (b) False
3. 3.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a mirror
4. 4.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
5. 5.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
6. 6.⚖️ 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
7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
8. 8.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a balloon
10. 10.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
11. 11.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a mirror (c) a clock to check (d) chalk to mark shadows
13. 13.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) coloured (d) bigger
15. 15.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a balloon (c) a sunny open place (d) a clock to check
16. 16.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a straight stick (d) a balloon
17. 17.True or false: butter paper is translucent. (a) False (b) True
18. 18.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
19. 19.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) light bends round it (d) an object blocks light
20. 20.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a mirror (c) turmeric powder (d) a magnet
21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same stick (c) shadow length (d) the stick kept upright
22. 22.🔍 Which is the odd one out? (a) clear plastic film (b) a brick (c) clean water (d) air
23. 23.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a magnet (d) a battery cell
24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a battery cell (c) chalk to mark shadows (d) a sunny open place
25. 25.True or false: a mirror is needed for the shadow clock. (a) True (b) False
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
29. 29.⚖️ 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
30. 30.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
31. 31.True or false: yeast is not needed for the shadow clock. (a) False (b) True
32. 32.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
33. 33.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) clear plastic film (d) tissue paper
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a magnet (d) a sunny open place
35. 35.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
36. 36.⚖️ 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
37. 37.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
38. 38.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a straight stick (d) a clock to check
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
40. 40.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time

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