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2nd Grade Science How things Grow

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