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4th Grade Science ALL units review

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  • two dogs pulling on a rope and one tugs the toy out of the other's mouth is balanced or unbalanced forces
    unbalanced
  • why do seasons change
    earth is tilted on its axis
  • what is force
    a push or pull
  • which kingdom makes its own food (plants, fungi, animals)
    plants
  • heat moves from ___ to ___
    hot to cold
  • ____ is the force causing a needle in a compass to point north
    magnetism
  • convection happens mainly in ____ and _____
    liquids and gases
  • rubber is a good ____ of electricity conductor or insulator
    insulator
  • what is a learned behavior?
    a behavior an animal does not learn by instinct
  • what is a habitat
    a place an organism lives in the ecosystem
  • what are the two ways water is heated into steam to power generators in a power plant
    sunlight and burning coal
  • what is friction
    the force between two objects rubbing against each other
  • what type of simple machine is a flag pole
    pulley
  • what do we call a slow moving river of ice
    glacier
  • true or false: mollusks have soft bodies
    TRUE
  • what is a prediction
    a guess based on an observation
  • how does the moon shine at night
    reflects the sun's light
  • ____means to circle
    revolve
  • what part of the flower is pollen found
    stamen
  • which process is the sun important for in the water cycle?
    evaporation
  • driving a car that emits less smoke is an example of conserving water land or air
    air
  • what type of rock is made from magma and lava
    igneous
  • ____ is the heat movement that happens mostly in solids
    conduction
  • a car turning left is an example of velocity or acceleration
    acceleration
  • a ____ is an old volcano with a flat top (guyot or volcanic island)
    guyot
  • how does camoflauge help a predator to get food
    sneak up
  • what is an orbit
    path an object takes in space
  • what does extinct mean
    organism that used to live but the population has completely diedout
  • what do we call an animal that eats meat
    carnivore
  • a ____ is a skeleton on the inside of the body
    endoskeleton
  • which type of cloud is puffy like a cotton ball? cumulus or stratus
    cummulus
  • a car traveling east at 75 MPH is an example of speed or velocity
    velocity
  • what is an omnivore
    eats meats and veggies
  • what is the reference point
    the place or object another object moves to
  • what is the predictable rise and fall of ocean water called
    tide
  • are minerals alive or were once alive
    yes
  • what is the order that deposition, erosion and weathering happen in?
    weathering, erosion, deposition
  • what do we call a system of millions and billions of stars
    galaxy
  • tell me two facts about insects
    varies
  • what is an exsoskeleton?
    a skeleton outside the body
  • what do we call making a seed or offspring (pollinate or reproduce)
    reproduce
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