Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 435 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
3. 3.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
4. 4.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) yeast (c) a mirror (d) a sunny open place
5. 5.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) east (d) north
6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a mirror (c) a clock to check (d) chalk to mark shadows
7. 7.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
8. 8.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
9. 9.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
10. 10.⚖️ 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 time of day (c) the same spot
11. 11.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.⚖️ 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
14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
15. 15.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
16. 16.🔦 Which of these is transparent? (a) a steel plate (b) frosted glass (c) a brick (d) air
17. 17.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a woollen sweater (d) a cap or hat
18. 18.🔍 Which is the odd one out? (a) clear glass (b) air (c) clean water (d) a steel plate
19. 19.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the ground slides (d) the stick walks
20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
21. 21.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a sunny open place (d) turmeric powder
23. 23.⚖️ 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 time of day (c) the stick kept upright (d) the same stick
24. 24.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
25. 25.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
27. 27.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a battery cell (c) yeast (d) a mirror
28. 28.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) a balloon
29. 29.True or false: a magnet is needed for the shadow clock. (a) False (b) True
30. 30.⚖️ 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) False (b) True
31. 31.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) yeast (c) a clock to check (d) a sunny open place
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.🔦 Which of these is translucent? (a) butter paper (b) a book (c) a brick (d) a wooden board
38. 38.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
39. 39.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
40. 40.True or false: your hand is translucent. (a) False (b) True

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