Shadow and Sundial Experiment Worksheet
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.
NameDateTime takenScore ___ / 40
- 1.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
- 2.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
- 3.⚖️ 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) True (b) False
- 4.True or false: a steel plate is translucent. (a) False (b) True
- 5.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
- 6.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
- 7.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
- 8.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) clear plastic film (d) a book
- 9.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
- 10.⚖️ 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
- 11.🔦 Which of these is translucent? (a) tissue paper (b) a book (c) clean water (d) a brick
- 12.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
- 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) chalk to mark shadows (d) a straight stick
- 14.⚖️ 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 stick kept upright
- 15.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) chalk to mark shadows (c) a balloon (d) a battery cell
- 16.⚖️ 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
- 17.True or false: your hand is translucent. (a) True (b) False
- 18.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) clear plastic film (d) a wooden board
- 19.True or false: tissue paper is translucent. (a) True (b) False
- 20.🧺 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) a straight stick (d) a balloon
- 21.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
- 22.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
- 23.🔦 Which of these is transparent? (a) butter paper (b) tissue paper (c) your hand (d) clear glass
- 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) a magnet
- 25.True or false: a magnet is needed for the shadow clock. (a) False (b) True
- 26.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
- 27.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
- 28.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
- 29.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
- 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) a sunny open place (d) a straight stick
- 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) False (b) True
- 32.⚖️ 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 stick kept upright (c) the time of day (d) shadow length
- 33.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
- 34.🔍 Which is the odd one out? (a) a wooden board (b) clean water (c) a book (d) your hand
- 35.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) butter paper (d) your hand
- 36.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
- 37.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) yeast (c) a mirror (d) a magnet
- 38.🔦 Which of these is opaque? (a) clear glass (b) butter paper (c) clear plastic film (d) a brick
- 39.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
- 40.🔍 Which is the odd one out? (a) frosted glass (b) clear plastic film (c) clear glass (d) clean water
Answer key
- telling the time
- long
- True
- False
- True
- transparent
- True
- a book
- transparent
- we keep it the same
- tissue paper
- opaque
- yeast
- the stick kept upright
- chalk to mark shadows
- False
- False
- a wooden board
- True
- a balloon
- we change it
- transparent
- clear glass
- a magnet
- False
- opaque
- does not work well
- bigger
- needed
- turmeric powder
- False
- the time of day
- needed
- clean water
- your hand
- False
- a straight stick
- a brick
- a cap or hat
- frosted glass
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids