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.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
- 2.🔦 Which of these is translucent? (a) a steel plate (b) clear plastic film (c) clear glass (d) butter paper
- 3.🔦 Which of these is translucent? (a) clear plastic film (b) a wooden board (c) clean water (d) oily paper
- 4.🔦 Which of these is transparent? (a) oily paper (b) a brick (c) clear plastic film (d) your hand
- 5.⚖️ 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
- 6.True or false: yeast is not needed for the shadow clock. (a) True (b) False
- 7.⚖️ 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
- 8.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a straight stick (c) yeast (d) a mirror
- 9.True or false: oily paper is opaque. (a) False (b) True
- 10.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
- 11.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
- 12.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
- 13.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
- 14.⚖️ 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
- 15.⚖️ 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) False (b) True
- 16.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
- 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a straight stick (c) a clock to check (d) a sunny open place
- 18.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) a magnet (d) yeast
- 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) long (d) round
- 20.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) frosted glass (d) a brick
- 21.🔦 Which of these is transparent? (a) air (b) tissue paper (c) frosted glass (d) oily paper
- 22.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
- 23.⚖️ 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
- 24.True or false: a book is opaque. (a) True (b) False
- 25.⚖️ 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
- 26.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) a book (d) clean water
- 27.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the same stick (c) the stick kept upright (d) shadow length
- 28.True or false: a balloon is needed for the shadow clock. (a) True (b) False
- 29.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
- 30.📘 Why does a shadow form? (a) an object blocks light (b) the ground is dark (c) the object is cold (d) light bends round it
- 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a balloon (d) chalk to mark shadows
- 32.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a clock to check (c) a magnet (d) a balloon
- 33.⚖️ 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
- 34.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
- 35.True or false: a steel plate is transparent. (a) True (b) False
- 36.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
- 37.🔦 Which of these is opaque? (a) tissue paper (b) frosted glass (c) a brick (d) butter paper
- 38.True or false: a mirror is needed for the shadow clock. (a) True (b) False
- 39.True or false: a steel plate is opaque. (a) False (b) True
- 40.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a clock to check (d) chalk to mark shadows
Answer key
- False
- butter paper
- oily paper
- clear plastic film
- False
- True
- we change it
- a straight stick
- False
- needed
- not needed
- True
- translucent
- True
- True
- bigger
- a magnet
- a sunny open place
- long
- a brick
- air
- a cap or hat
- True
- True
- we keep it the same
- clean water
- shadow length
- False
- not needed
- an object blocks light
- a balloon
- a clock to check
- we keep it the same
- west
- False
- transparent
- a brick
- False
- True
- turmeric powder
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