Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 679 · 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.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
2. 2.🔦 Which of these is translucent? (a) a wooden board (b) clear glass (c) butter paper (d) air
3. 3.True or false: a steel plate is opaque. (a) True (b) False
4. 4.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
5. 5.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) turmeric powder (d) a sunny open place
6. 6.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a balloon (d) chalk to mark shadows
7. 7.⚖️ 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
8. 8.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
9. 9.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
10. 10.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
11. 11.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a balloon (c) a magnet (d) a battery cell
12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a sunny open place (d) a clock to check
13. 13.🔦 Which of these is opaque? (a) clean water (b) butter paper (c) oily paper (d) a book
14. 14.True or false: yeast is needed for the shadow clock. (a) False (b) True
15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) False (b) True
16. 16.🔦 Which of these is transparent? (a) clear glass (b) a brick (c) oily paper (d) a steel plate
17. 17.🔦 Which of these is opaque? (a) a steel plate (b) clear plastic film (c) clear glass (d) tissue paper
18. 18.True or false: oily paper is transparent. (a) True (b) False
19. 19.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a mirror (c) chalk to mark shadows (d) a sunny open place
21. 21.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
22. 22.⚖️ 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 change it (c) we measure it
23. 23.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
24. 24.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) wear a cap (d) look straight at the Sun
25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west
26. 26.⚖️ 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 measure it (c) we change it
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.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) yeast
29. 29.⚖️ 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) the same spot (c) shadow length (d) the stick kept upright
30. 30.⚖️ 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) True (b) False
31. 31.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) measuring rain (d) weighing things
32. 32.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
33. 33.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a balloon
35. 35.🧺 Which of these is needed for the shadow clock? (a) yeast (b) chalk to mark shadows (c) a magnet (d) a mirror
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) does not work well (c) shows two times (d) runs faster
38. 38.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
39. 39.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the stick walks (d) the ground slides
40. 40.🔦 Which of these is opaque? (a) clear glass (b) clean water (c) butter paper (d) your hand

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