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: tissue paper is translucent. (a) False (b) True
- 2.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
- 3.⚖️ 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) shadow length (d) the same stick
- 4.🔍 Which is the odd one out? (a) air (b) a book (c) a steel plate (d) your hand
- 5.🔍 Which is the odd one out? (a) a brick (b) a steel plate (c) clear glass (d) a wooden board
- 6.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we measure it (c) we change it
- 7.🔦 Which of these is translucent? (a) clear glass (b) a brick (c) clean water (d) butter paper
- 8.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the ground slides (c) Earth keeps spinning (d) the stick walks
- 9.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
- 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
- 11.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
- 12.⚖️ 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) False (b) True
- 13.🧺 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 clock to check (d) a balloon
- 14.🧺 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 battery cell (d) a sunny open place
- 15.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
- 16.True or false: frosted glass is transparent. (a) False (b) True
- 17.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
- 18.🔍 Which is the odd one out? (a) tissue paper (b) clear plastic film (c) clean water (d) clear glass
- 19.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
- 20.⚖️ 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) True (b) False
- 21.⚖️ 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
- 22.True or false: a balloon is needed for the shadow clock. (a) True (b) False
- 23.True or false: a steel plate is transparent. (a) True (b) False
- 24.⚖️ 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
- 25.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
- 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same spot (c) the time of day (d) the same stick
- 27.🔦 Which of these is transparent? (a) oily paper (b) a brick (c) clear plastic film (d) tissue paper
- 28.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
- 29.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
- 30.⚖️ 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) True (b) False
- 31.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
- 32.🔦 Which of these is opaque? (a) clear glass (b) a book (c) frosted glass (d) butter paper
- 33.🕰️ What is a sundial used for? (a) measuring rain (b) weighing things (c) making rainbows (d) telling the time
- 34.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
- 35.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) late evening (d) around noon
- 36.⚖️ 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 measure it (c) we change it
- 37.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
- 38.True or false: frosted glass is translucent. (a) False (b) True
- 39.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) butter paper (d) a wooden board
- 40.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
Answer key
- True
- look straight at the Sun
- shadow length
- air
- clear glass
- we keep it the same
- butter paper
- Earth keeps spinning
- True
- a cap or hat
- False
- True
- a balloon
- a battery cell
- False
- False
- not needed
- tissue paper
- opaque
- False
- True
- False
- False
- we change it
- long
- the time of day
- clear plastic film
- transparent
- west
- True
- transparent
- a book
- telling the time
- needed
- around noon
- we measure it
- needed
- True
- a wooden board
- not needed
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids