Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 379 · 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.🔦 Which of these is translucent? (a) clean water (b) air (c) frosted glass (d) a wooden board
2. 2.⚖️ 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) False (b) True
3. 3.True or false: a book is transparent. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔦 Which of these is translucent? (a) clear glass (b) your hand (c) air (d) tissue paper
6. 6.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
7. 7.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
8. 8.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) turmeric powder (d) a clock to check
9. 9.🔦 Which of these is transparent? (a) a book (b) a wooden board (c) butter paper (d) clean water
10. 10.🔦 Which of these is opaque? (a) a steel plate (b) clear plastic film (c) frosted glass (d) clear glass
11. 11.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
12. 12.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) a cap or hat (d) nothing on your head
13. 13.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
14. 14.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
15. 15.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) making rainbows (d) weighing things
16. 16.True or false: butter paper is translucent. (a) False (b) True
17. 17.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
18. 18.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
20. 20.⚖️ 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 stick kept upright (c) shadow length
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 same stick (b) the same spot (c) shadow length (d) the time of day
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🔦 Which of these is transparent? (a) clear plastic film (b) oily paper (c) a steel plate (d) a brick
24. 24.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) yeast (c) a battery cell (d) a mirror
25. 25.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
26. 26.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) the object is cold (d) an object blocks light
27. 27.🔦 Which of these is transparent? (a) a wooden board (b) your hand (c) butter paper (d) clear glass
28. 28.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) does not work well (c) runs faster (d) shows two times
29. 29.⚖️ 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
30. 30.⚖️ 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) False (b) True
31. 31.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) the stick grows (d) Earth keeps spinning
32. 32.True or false: a wooden board is translucent. (a) True (b) False
33. 33.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
34. 34.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
35. 35.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) yeast (c) turmeric powder (d) a sunny open place
36. 36.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a mirror
37. 37.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
38. 38.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place

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