Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 319 · 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 same spot (b) the time of day (c) shadow length
2. 2.True or false: air is transparent. (a) False (b) True
3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a battery cell
4. 4.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
5. 5.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
6. 6.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
7. 7.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
8. 8.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) frosted glass (b) clear plastic film (c) oily paper (d) butter paper
10. 10.⚖️ 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
11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the time of day (c) the same spot (d) the stick kept upright
12. 12.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
13. 13.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a clock to check (c) chalk to mark shadows (d) a straight stick
14. 14.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a battery cell (c) a sunny open place (d) a clock to check
15. 15.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
16. 16.🔦 Which of these is opaque? (a) air (b) a book (c) clear glass (d) butter paper
17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) works better (d) does not work well
18. 18.🔦 Which of these is opaque? (a) air (b) a steel plate (c) oily paper (d) butter paper
19. 19.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
20. 20.⚖️ 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
21. 21.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
22. 22.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
23. 23.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
24. 24.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a straight stick (d) a balloon
25. 25.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) clear glass (d) oily paper
26. 26.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) a balloon
28. 28.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) making rainbows (d) weighing things
29. 29.⚖️ 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 same stick (c) the same spot (d) the time of day
30. 30.📘 Why does a shadow form? (a) the object is cold (b) an object blocks light (c) light bends round it (d) the ground is dark
31. 31.True or false: yeast is 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.⚖️ 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
34. 34.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
35. 35.🔦 Is clear glass 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? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
38. 38.🔦 Which of these is transparent? (a) oily paper (b) a book (c) clean water (d) a brick
39. 39.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
40. 40.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

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