Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 623 · 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 transparent? (a) a book (b) clear plastic film (c) a steel plate (d) frosted glass
2. 2.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a magnet
3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
4. 4.🔦 Which of these is translucent? (a) a steel plate (b) butter paper (c) a book (d) your hand
5. 5.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
6. 6.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
7. 7.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
8. 8.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a balloon (d) a straight stick
11. 11.True or false: yeast is not needed for the shadow clock. (a) True (b) False
12. 12.True or false: yeast is needed for the shadow clock. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) air (b) frosted glass (c) clear plastic film (d) clear glass
14. 14.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
15. 15.True or false: a wooden board is opaque. (a) True (b) False
16. 16.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) north (c) east (d) up
17. 17.True or false: a magnet is needed for the shadow clock. (a) False (b) True
18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
19. 19.⚖️ 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
20. 20.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) around noon (d) at night
21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
23. 23.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.⚖️ 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
26. 26.⚖️ 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) shadow length (c) the stick kept upright
27. 27.🔍 Which is the odd one out? (a) a brick (b) air (c) a steel plate (d) your hand
28. 28.🔦 Which of these is opaque? (a) your hand (b) clear glass (c) oily paper (d) clear plastic film
29. 29.True or false: a wooden board is translucent. (a) True (b) False
30. 30.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
31. 31.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) chalk to mark shadows (d) a balloon
32. 32.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
33. 33.🔦 Which of these is opaque? (a) butter paper (b) clear glass (c) tissue paper (d) a steel plate
34. 34.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
35. 35.⚖️ 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 same spot (c) the time of day
36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we change it (c) we measure it
37. 37.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) Earth keeps spinning (c) the ground slides (d) the stick grows
40. 40.🛟 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

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