Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 92 · 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? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🔦 Which of these is translucent? (a) your hand (b) a brick (c) butter paper (d) a wooden board
3. 3.True or false: oily paper is opaque. (a) False (b) True
4. 4.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
5. 5.🔦 Which of these is translucent? (a) a steel plate (b) clean water (c) a wooden board (d) oily paper
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 change it (b) we measure it (c) we keep it the same
7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
8. 8.⚖️ 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 measure it (c) we change it
9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
10. 10.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the ground is dark (d) the object is cold
11. 11.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the stick kept upright
13. 13.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
14. 14.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) Earth keeps spinning (d) the stick grows
15. 15.⚖️ 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 spot (c) shadow length
16. 16.True or false: clear plastic film is transparent. (a) True (b) False
17. 17.🔦 Which of these is translucent? (a) air (b) tissue paper (c) a book (d) a brick
18. 18.🧺 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
19. 19.🔦 Which of these is opaque? (a) clean water (b) clear plastic film (c) a steel plate (d) oily paper
20. 20.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a balloon (d) chalk to mark shadows
21. 21.🔍 Which is the odd one out? (a) a wooden board (b) frosted glass (c) your hand (d) a steel plate
22. 22.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) chalk to mark shadows (d) a balloon
23. 23.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
24. 24.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
25. 25.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a mirror (c) a battery cell (d) a clock to check
26. 26.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) clean water (d) butter paper
27. 27.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) runs faster (d) does not work well
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
29. 29.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
31. 31.⚖️ 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 keep it the same (c) we change it
32. 32.True or false: a book is translucent. (a) True (b) False
33. 33.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
34. 34.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
35. 35.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
36. 36.🧺 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 clock to check
37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) yeast
38. 38.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
39. 39.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
40. 40.🔦 Which of these is translucent? (a) frosted glass (b) a steel plate (c) a book (d) your hand

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