Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 387 · 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.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a straight stick (d) a sunny open place
4. 4.True or false: a magnet is needed for the shadow clock. (a) False (b) True
5. 5.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) chalk to mark shadows (d) a magnet
7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the time of day (c) the same stick (d) the stick kept upright
9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
10. 10.🔦 Which of these is translucent? (a) butter paper (b) clear glass (c) a book (d) clear plastic film
11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a clock to check
12. 12.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
13. 13.🛟 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
14. 14.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) oily paper
15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
16. 16.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a steel plate (d) air
18. 18.🧺 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 sunny open place (d) a battery cell
19. 19.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
20. 20.True or false: frosted glass is translucent. (a) True (b) False
21. 21.⚖️ 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) False (b) True
22. 22.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
23. 23.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
24. 24.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) works better (c) runs faster (d) shows two times
25. 25.🔍 Which is the odd one out? (a) clear glass (b) clear plastic film (c) clean water (d) a book
26. 26.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a mirror (d) chalk to mark shadows
27. 27.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a magnet (c) a straight stick (d) a battery cell
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the stick kept upright (c) the same stick (d) shadow length
29. 29.True or false: a steel plate is opaque. (a) True (b) False
30. 30.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the stick walks (d) the ground slides
31. 31.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
32. 32.⚖️ 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
33. 33.🧺 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) a clock to check
34. 34.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a sunny open place (d) a clock to check
35. 35.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a clock to check (d) a balloon
36. 36.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
37. 37.📘 Why does a shadow form? (a) light bends round it (b) an object blocks light (c) the ground is dark (d) the object is cold
38. 38.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a straight stick
39. 39.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a brick (b) clean water (c) clear glass (d) air

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