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Cumulative Science Review 5th grade

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