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 mirror is not needed for the shadow clock. (a) False (b) True
- 2.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) round (d) missing
- 3.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
- 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) turmeric powder (d) a straight stick
- 5.⚖️ 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 stick kept upright
- 6.🔦 Which of these is opaque? (a) frosted glass (b) a brick (c) clear plastic film (d) clean water
- 7.⚖️ 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
- 8.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) a brick (d) oily paper
- 9.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a magnet (d) a sunny open place
- 10.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) chalk to mark shadows (d) yeast
- 11.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) at night (d) early morning
- 12.🔍 Which is the odd one out? (a) a steel plate (b) tissue paper (c) your hand (d) a book
- 13.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
- 14.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
- 15.True or false: tissue paper is translucent. (a) False (b) True
- 16.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
- 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a mirror (c) a straight stick (d) chalk to mark shadows
- 18.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
- 19.True or false: frosted glass is translucent. (a) False (b) True
- 20.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
- 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
- 22.⚖️ 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
- 23.🔍 Which is the odd one out? (a) clear glass (b) oily paper (c) clear plastic film (d) clean water
- 24.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
- 25.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) frosted glass (d) a book
- 26.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a balloon (c) a battery cell (d) a magnet
- 27.🔦 Is air opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
- 28.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
- 29.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
- 30.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a magnet (c) a mirror (d) a battery cell
- 31.⚖️ 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) True (b) False
- 32.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
- 33.🔍 Which is the odd one out? (a) air (b) a wooden board (c) a brick (d) a steel plate
- 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a magnet (d) a clock to check
- 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 measure it (b) we keep it the same (c) we change it
- 36.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
- 37.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a mirror (c) a magnet (d) yeast
- 38.🔦 Which of these is translucent? (a) oily paper (b) air (c) a brick (d) a steel plate
- 39.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
- 40.⚖️ 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
Answer key
- True
- long
- look straight at the Sun
- turmeric powder
- the stick kept upright
- a brick
- True
- a brick
- a magnet
- chalk to mark shadows
- around noon
- tissue paper
- translucent
- transparent
- True
- True
- a mirror
- needed
- True
- opaque
- True
- we keep it the same
- oily paper
- not needed
- frosted glass
- a sunny open place
- transparent
- does not work well
- not needed
- a clock to check
- False
- needed
- air
- a magnet
- we change it
- not needed
- a straight stick
- oily paper
- we measure it
- we keep it the same
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids