Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 897 · 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.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
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.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a clock to check (d) chalk to mark shadows
4. 4.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) works better (d) runs faster
5. 5.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
6. 6.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) shadow length (d) the same stick
8. 8.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) short (d) missing
9. 9.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
10. 10.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
11. 11.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) a brick (d) butter paper
12. 12.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
13. 13.🧺 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 mirror (d) a straight stick
14. 14.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
15. 15.⚖️ 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
16. 16.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
17. 17.⚖️ 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
18. 18.True or false: a steel plate is transparent. (a) True (b) False
19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
20. 20.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
21. 21.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a battery cell (d) chalk to mark shadows
23. 23.🧺 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) turmeric powder (d) a straight stick
24. 24.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) an object blocks light (d) light bends round it
25. 25.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a mirror
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
28. 28.True or false: oily paper is translucent. (a) True (b) False
29. 29.True or false: tissue paper is translucent. (a) False (b) True
30. 30.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
31. 31.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
32. 32.True or false: a wooden board is translucent. (a) True (b) False
33. 33.🔦 Which of these is transparent? (a) tissue paper (b) a brick (c) clean water (d) your hand
34. 34.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a magnet
36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) a clock to check (d) chalk to mark shadows
37. 37.⚖️ 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 same stick
38. 38.True or false: clean water is transparent. (a) False (b) True
39. 39.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a clock to check (c) a battery cell (d) yeast

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