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.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
- 2.⚖️ 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) True (b) False
- 3.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) measuring rain (d) weighing things
- 4.⚖️ 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) True (b) False
- 5.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a battery cell (d) yeast
- 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a balloon (d) a straight stick
- 7.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
- 8.🔦 Which of these is opaque? (a) frosted glass (b) clear glass (c) a steel plate (d) butter paper
- 9.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) a cap or hat (d) nothing on your head
- 10.True or false: clear glass is opaque. (a) True (b) False
- 11.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
- 12.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) turmeric powder (d) yeast
- 13.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
- 14.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
- 15.⚖️ 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 keep it the same (c) we measure it
- 16.⚖️ 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
- 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) the time of day (c) shadow length
- 18.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) light bends round it (d) an object blocks light
- 19.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) oily paper (d) a book
- 20.True or false: clear glass is transparent. (a) False (b) True
- 21.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
- 22.🔦 Which of these is transparent? (a) a steel plate (b) a book (c) clear glass (d) your hand
- 23.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a sunny open place (c) a clock to check (d) chalk to mark shadows
- 24.⚖️ 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 same stick (c) the time of day (d) the stick kept upright
- 25.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) tissue paper (d) oily paper
- 26.⚖️ 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 same spot (c) the stick kept upright (d) shadow length
- 27.True or false: butter paper is transparent. (a) False (b) True
- 28.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
- 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
- 30.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
- 31.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a sunny open place (c) a straight stick (d) a clock to check
- 32.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
- 33.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
- 34.🔦 Which of these is opaque? (a) frosted glass (b) oily paper (c) a wooden board (d) air
- 35.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
- 36.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
- 37.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the same stick
- 38.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
- 39.🔦 Which of these is translucent? (a) a book (b) clear glass (c) a wooden board (d) oily paper
- 40.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) a wooden board (d) frosted glass
Answer key
- True
- False
- telling the time
- False
- a straight stick
- a balloon
- not needed
- a steel plate
- a cap or hat
- False
- True
- chalk to mark shadows
- not needed
- needed
- we keep it the same
- we keep it the same
- the stick kept upright
- an object blocks light
- oily paper
- True
- we keep it the same
- clear glass
- a balloon
- the time of day
- clear glass
- shadow length
- False
- transparent
- yeast
- opaque
- yeast
- needed
- around noon
- a wooden board
- not needed
- long
- the same stick
- not needed
- oily paper
- a wooden board
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