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2nd Grade Science How things Grow

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  • An organism's life cycle shows how it
    gathers food
    changes over time
    finds shelter
    never changes
  • What plant part takes in water from the soil?
    stem
    roots
    flower
    leaves
  • Which describes and adult stage of a life cycle?
    egg
    cub
    bear
    kitten
  • Where does sprouting (germination) occur?
    C
    A
    F
    D
  • Why is it important that plants and animals make new plants and animals of their kind?
    new organisms help animals grow
    new organisms keep the life cycle going
    new organisms help flowers pollinate
    new organisms make the seasons change
  • Which describes and adult stage of a life cycle?
    puppy
    butterfly
    egg
    cub
  • How are we able to make predictions about life cycles?
    they are the same for every animal
    they follow a pattern
    they are the same for every plant
    they show animals never change
  • Where do new plant seeds come from?
    leaf
    roots
    stem
    flower
  • Which shows how an insect pollinates a flower?
    B
    A
    D
    C
  • Which is true about both Mammals and Insects?
    they need warm weather to have their babies
    they eat only fruit and vegetables
    have same life events: birth, growth, reproduction, death
    they need cold weather to grow
  • 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
  • In which stage does this insect grow the most?
    adult butterfly
    larva
    chrysalis
    egg
  • Which describes and adult stage of a life cycle?
    cub
    cat
    egg
    kitten
  • Which is part of a plant life cycle?
    an egg hatches
    a caterpillar emerges
    a seed sprouts
    a tadpole forms
  • Plant seeds can be spread to new areas by animals, wind, and ________.
    water
    rock
    grass
    sunlight
  • Which describes and adult stage of a life cycle?
    puppy
    kitten
    cub
    dog
  • To grow, seeds need sunlight and
    pollination
    water
    food
    cold temperatures
  • In mammals, how can you tell the difference between a baby and an adult?
    babies are bigger than adults
    adults always look very different than babies
    babies are smaller than adults
    adults always travel by themselves
  • Butterflies only fly when the temperature is above 50 degrees Fahrenheit. Which day will the butterflies fly?
    Tuesday
    Wednesday
    Thursday
    Monday
  • How can seeds be spread to grow in a new area?
    seeds float across the ocean to get wet
    wind blows the seeds far away
    flowers grow and turn a new color
  • How might you collect data to see how much a plant grows each week?
    ruler
    scale
    thermometer
    clock
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