Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 944 · 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.📘 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
2. 2.🔦 Which of these is transparent? (a) butter paper (b) a book (c) frosted glass (d) clear glass
3. 3.⚖️ 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
4. 4.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
5. 5.True or false: a balloon is needed for the shadow clock. (a) False (b) True
6. 6.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a battery cell (c) a magnet (d) a mirror
7. 7.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
8. 8.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
9. 9.True or false: frosted glass is opaque. (a) False (b) True
10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
12. 12.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
13. 13.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) late evening (d) at night
14. 14.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
15. 15.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
16. 16.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up
17. 17.⚖️ 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
18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same spot (b) the same stick (c) the stick kept upright (d) the time of day
19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) shadow length (c) the time of day
20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
21. 21.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) your hand (d) butter paper
22. 22.🛟 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
23. 23.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a clock to check (c) a sunny open place (d) a straight stick
24. 24.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
25. 25.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) a woollen sweater (d) nothing on your head
26. 26.🔦 Which of these is transparent? (a) a brick (b) clean water (c) your hand (d) a wooden board
27. 27.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
31. 31.🧺 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) a straight stick
32. 32.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) Earth keeps spinning (d) the stick grows
33. 33.True or false: yeast is needed for the shadow clock. (a) False (b) True
34. 34.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
35. 35.True or false: a wooden board is opaque. (a) True (b) False
36. 36.🔦 Which of these is opaque? (a) tissue paper (b) frosted glass (c) clear glass (d) your hand
37. 37.🧺 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 clock to check (d) a battery cell
38. 38.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a battery cell

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