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2nd Grade Science How things Grow

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  • Which is part of a plant life cycle?
    a seed sprouts
    an egg hatches
    a caterpillar emerges
    a tadpole forms
  • How can seeds be spread to grow in a new area?
    wind blows the seeds far away
    flowers grow and turn a new color
    seeds float across the ocean to get wet
  • How might you collect data to see how much a plant grows each week?
    thermometer
    clock
    ruler
    scale
  • Which describes and adult stage of a life cycle?
    egg
    cub
    cat
    kitten
  • Where do new plant seeds come from?
    stem
    flower
    leaf
    roots
  • Which describes and adult stage of a life cycle?
    bear
    kitten
    egg
    cub
  • In which stage does this insect grow the most?
    egg
    chrysalis
    larva
    adult butterfly
  • Butterflies only fly when the temperature is above 50 degrees Fahrenheit. Which day will the butterflies fly?
    Tuesday
    Wednesday
    Monday
    Thursday
  • Where does sprouting (germination) occur?
    C
    F
    D
    A
  • Why is it important that plants and animals make new plants and animals of their kind?
    new organisms help flowers pollinate
    new organisms help animals grow
    new organisms make the seasons change
    new organisms keep the life cycle going
  • Why do a 3 month old puppy and and one year old dog look different?
    mammals grow in size as they get older
    puppies are older than dogs
    dogs and puppies are not mammals
    insects change forms as they get older
  • An organism's life cycle shows how it
    changes over time
    never changes
    gathers food
    finds shelter
  • Which is true about both Mammals and Insects?
    they need cold weather to grow
    have same life events: birth, growth, reproduction, death
    they need warm weather to have their babies
    they eat only fruit and vegetables
  • To grow, seeds need sunlight and
    pollination
    water
    food
    cold temperatures
  • What plant part takes in water from the soil?
    roots
    stem
    flower
    leaves
  • Which describes and adult stage of a life cycle?
    cub
    kitten
    dog
    puppy
  • Plant seeds can be spread to new areas by animals, wind, and ________.
    rock
    water
    grass
    sunlight
  • How are we able to make predictions about life cycles?
    they are the same for every plant
    they are the same for every animal
    they show animals never change
    they follow a pattern
  • Which describes and adult stage of a life cycle?
    cub
    butterfly
    egg
    puppy
  • In mammals, how can you tell the difference between a baby and an adult?
    babies are bigger than adults
    adults always travel by themselves
    adults always look very different than babies
    babies are smaller than adults
  • Which shows how an insect pollinates a flower?
    D
    C
    B
    A
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