Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 494 · 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 not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a clock to check (d) yeast
2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a straight stick
3. 3.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
4. 4.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) missing (d) short
5. 5.🔍 Which is the odd one out? (a) a wooden board (b) clear plastic film (c) clear glass (d) air
6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
7. 7.⚖️ 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) True (b) False
8. 8.🛟 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
9. 9.True or false: a steel plate is translucent. (a) False (b) True
10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a clock to check (d) a sunny open place
11. 11.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) Earth keeps spinning (d) the stick grows
12. 12.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
13. 13.⚖️ 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
14. 14.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
15. 15.⚖️ 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 spot (c) the time of day (d) shadow length
16. 16.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) mark with chalk (d) sit in the shade
17. 17.🔦 Which of these is opaque? (a) butter paper (b) a book (c) frosted glass (d) air
18. 18.🔦 Which of these is translucent? (a) a steel plate (b) a wooden board (c) air (d) butter paper
19. 19.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
20. 20.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
21. 21.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
22. 22.🧺 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 mirror (d) a straight stick
23. 23.⚖️ 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
24. 24.🧺 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 clock to check (d) a straight stick
25. 25.🔍 Which is the odd one out? (a) oily paper (b) clear plastic film (c) clean water (d) clear glass
26. 26.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening
27. 27.True or false: frosted glass is translucent. (a) False (b) True
28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
29. 29.🔦 Which of these is opaque? (a) a steel plate (b) clear glass (c) air (d) tissue paper
30. 30.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) does not work well (d) works better
31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the stick kept upright (c) the time of day (d) shadow length
32. 32.True or false: oily paper is transparent. (a) False (b) True
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.True or false: butter paper is transparent. (a) False (b) True
35. 35.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
36. 36.True or false: yeast is needed for the shadow clock. (a) False (b) True
37. 37.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) shadow length (c) the time of day
39. 39.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
40. 40.True or false: a magnet is not needed for the shadow clock. (a) False (b) True

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