Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 541 · 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 needed for the shadow clock? (a) a battery cell (b) yeast (c) a mirror (d) a sunny open place
2. 2.⚖️ 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) shadow length (d) the stick kept upright
3. 3.⚖️ 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 stick kept upright (c) the time of day
4. 4.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) a straight stick (d) a mirror
5. 5.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) a wooden board (d) clean water
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) yeast (d) chalk to mark shadows
7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a balloon (d) a sunny open place
8. 8.🔦 Which of these is opaque? (a) oily paper (b) a wooden board (c) butter paper (d) tissue paper
9. 9.🔦 Which of these is translucent? (a) clear glass (b) a wooden board (c) oily paper (d) a book
10. 10.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
11. 11.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
12. 12.⚖️ 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) False (b) True
13. 13.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) your hand (d) frosted glass
14. 14.🔦 Which of these is opaque? (a) a steel plate (b) butter paper (c) oily paper (d) clean water
15. 15.🕰️ What is a sundial used for? (a) telling the time (b) weighing things (c) making rainbows (d) measuring rain
16. 16.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a clock to check (d) turmeric powder
17. 17.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
18. 18.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) round (d) short
19. 19.True or false: a magnet is needed for the shadow clock. (a) False (b) True
20. 20.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
21. 21.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the object is cold (d) the ground is dark
22. 22.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
23. 23.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) a straight stick (d) chalk to mark shadows
24. 24.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
25. 25.True or false: your hand is transparent. (a) False (b) True
26. 26.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
27. 27.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
28. 28.🔦 Which of these is transparent? (a) butter paper (b) oily paper (c) clear glass (d) your hand
29. 29.⚖️ 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) True (b) False
30. 30.True or false: clear plastic film is translucent. (a) True (b) False
31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a sunny open place (d) a clock to check
32. 32.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) does not work well (d) runs faster
33. 33.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
34. 34.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.⚖️ 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 time of day (c) the same spot (d) shadow length
38. 38.🔦 Which of these is transparent? (a) oily paper (b) a book (c) a steel plate (d) clear plastic film
39. 39.🔍 Which is the odd one out? (a) a brick (b) clear plastic film (c) a wooden board (d) a steel plate
40. 40.🔦 Which of these is translucent? (a) a book (b) a wooden board (c) your hand (d) tissue paper

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