Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 42 · 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.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) weighing things (d) measuring rain
2. 2.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
3. 3.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
4. 4.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) missing (d) short
6. 6.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a straight stick (c) yeast (d) a magnet
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a straight stick (d) a clock to check
8. 8.⚖️ 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) True (b) False
9. 9.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.⚖️ 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 keep it the same (c) we change it
13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same spot (c) the stick kept upright (d) the same stick
14. 14.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
15. 15.📘 Why does a shadow form? (a) the ground is dark (b) the object is cold (c) an object blocks light (d) light bends round it
16. 16.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
17. 17.🔦 Which of these is opaque? (a) frosted glass (b) clear plastic film (c) tissue paper (d) a wooden board
18. 18.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
19. 19.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
20. 20.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
21. 21.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
22. 22.⚖️ 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
23. 23.🔦 Which of these is translucent? (a) air (b) oily paper (c) clear glass (d) clear plastic film
24. 24.True or false: air is transparent. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) clear plastic film (b) tissue paper (c) clear glass (d) clean water
26. 26.True or false: your hand is translucent. (a) True (b) False
27. 27.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
28. 28.True or false: a brick is translucent. (a) True (b) False
29. 29.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
30. 30.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a mirror (d) turmeric powder
31. 31.⚖️ 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
32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
33. 33.🔦 Which of these is translucent? (a) clear plastic film (b) your hand (c) frosted glass (d) a steel plate
34. 34.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) a book (d) clean water
35. 35.🧺 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 clock to check (d) a magnet
36. 36.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
37. 37.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
38. 38.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
39. 39.⚖️ 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 stick (c) the time of day
40. 40.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed

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