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Cumulative Science Review 5th grade

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  • why are electric cords coated with plastic?
    because plastic blocks the flow of electric current
    because plastic allows electric current to flow
    because plastic is cheap
    because plastic is flexible
  • which statement describes how deposition builds up the surface of a floodplain?
    a river flows over its banks and slows down
    a river slows down as it flows into the ocean
    lava flows from a volcano and piles up
    rainwater seeps into the ground and freezes
  • overflow of water on land that is usually dry
    flood
  • An organism that obtains energy by feeding on other organisms
    Consumer
  • A state of matter with no definite shape or volume
    Gas
  • A measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object.
    Temperature
  • which is not true?
    the cell membrane of animal cells is thicker than plant cell
    a plant cell cannot be seen without a microscope
    animal and plant cells have organelles
    an animal cell cannot be seen without a microscope
  • Hill of sand deposited by wind
    dune
  • The amount of space something takes up
    Volume
  • which event causes a mountain to form over time?
    a river slows down at its mouth
    a glacier melts
    a river floods
    a volcano erupts
  • what organelle is the brain of the cell
    cell mebrane
    nucleus
    cell wall
    cytoplasm
  • which statement supports the fact that some microorganisms are helpful?
    people use bacteria to make cheese
    farmers spray crops with chemicals to prevent fungi growth
    algae live in rivers, lakes, and oceans
    many diseases are caused by viruses
  • how do seeds and spores compare?
    both occur in flowering plants
    both are parts for reproduction
    only seeds grow into new plants
    neither grows in soil
  • what helps prevent the flooding of roads during heavy rainstorms?
    storm drain
    groin
    seismograph
    sea wall
  • A form of matter that has a definite shape and volume
    Solid
  • how do you know that volcanos are constructive processes?
    the top of the volcano blows off during the eruption
    lava flows out and piles up
    hot gases escape from volcanoes
    plants and animals die from the eruption
  • why are electric cords coated with plastic?
    because plastic is cheap
    because plastic blocks the flow of electric current
    because plastic is flexible
    because plastic allows electric current to flow
  • An organism that can make its own food.
    Producer
  • Tiny, one celled organisms found in water that break down organic matter
    Bacteria
  • what is true about levees?
    they help control flooding along rivers
    they prevent erosion of river banks
    they limit coastal flooding
    they allow deposition on floodplains
  • Process by which organisms use energy from sunlight to make their own food
    Photosynthesis
  • When weathered rock is picked up and moved
    erosion
  • support microorganisms are harmful
    mosquitoes can transmit protozoa that cause malaria
    algae release oxygen into the air as waste
    bacteria and fungi are decomposers
    microorganisms live in soil, water, air
  • three kinds of cells: oak leaf, squirrel muscle, fern leaf. which will have chlorophyll
    only the fern leaf
    all of the cells will contain chlorophyll
    only the squirrel muscle
    the oak leaf and fern leaf
  • A state of matter that has a definite volume but no definite shape.
    Liquid
  • melted rock below the earth's surface
    magma
  • Energy caused by the movement of electrons.
    Electrical Energy
  • What causes a liquid to change to a gas
    an increase in temperature
    a decrease in temperature
  • he change of a liquid to a gas
    Evaporation
  • which of these actions can be reversed?
    bending
    tarnishing
    burning
    rusting
  • Which statement about vertebrates is true?
    vertebrates have skeletons
    vertebrates live only on land
    vertebrates do not have backbones
    most animals are vertebrates
  • organisms sorted in producers, consumers, and decomp. are sorted by
    whether they have a back bone
    where they live
    whether people eat them
    how they get food
  • The change from a gas to a liquid
    Condensation
  • why are electric cords coated with plastic?
    because plastic allows electric current to flow
    because plastic is cheap
    because plastic is flexible
    because plastic blocks the flow of electric current
  • what does a plant cell have that an animal cell does not?
    cell wall
    cell membrane
    cytoplasm
    chloroplast
  • how can you control erosion at the beach?
    levees
    beach nourishment
    storm drains
    groins
  • Anything that has mass and takes up space
    Matter
  • a chef chops up several ingredients to make a salad
    she makes a mixture
    she changes the state of matter
    she makes a solution
    she makes a new substance
  • Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
    Erosion
  • which is a wolf's instinct?
    playing with other wolves
    hiding in a den
    following its mother
    barking
  • An instrument used to measure temperature
    Thermometer
  • What is the BEST comparison of static electricity and electric current?
    static has negative charges, current positive charge
    static uses open circuits, current uses closed circuits
    static is build up of electrons, current is flow
    static runs through wires, current jumps across wires
  • which is an acquired physical trait?
    striped fur
    long claws
    loose tooth
    brown eyes
  • which is weathering
    a river carries sediment across a valley floor
    ocean waves dropping sand on a beach
    wind blows sand from dune to dune
    tree roots breaking rocks into smaller pieces
  • A measure of the amount of matter in an object
    Mass
  • An organism that breaks down wastes and dead organisms
    Decomposer
  • which is a conductor
    glass jar
    wooden log
    iron nail
    plastic cup
  • Energy stored in the nucleus of an atom
    Nuclear Energy
  • How can you make an electromagnet stronger?
    replace the copper wire with plastic wire
    increase the electric current flowing through the wire
    wrap the wire around the iron core fewer times
    replace the iron core with a copper core
  • during which change do water particles move faster and farther apart?
    melting
    dissolving`
    freezing
    evaporation
  • what part of a cell controls what enters and exits the cell?
    chlorophyll
    cell membrane
    cytoplasm
    nucleus
  • which part converts electrical energy into another form?
    load
    wire
    battery
    switch
  • why are electric cords coated with plastic?
    because plastic allows electric current to flow
    because plastic blocks the flow of electric current
    because plastic is cheap
    because plastic is flexible
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