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Cumulative Science Review 5th grade

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