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Science Semester 2 Test

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  • Select one reason that is INCORRECT about why animals migrate?
    Animals migrate to find a better food and water source.
    Animals migrate to give birth.
    Animals migrate because of seasonal changes.
    Animals migrate because they want to buy a house.
  • Which of the following is a contact force?
    electric force
    magnetic force
    spring force
    gravitational force
  • Is this a conductor or an insulator?
    Insulator
    Conductor
  • When we put a paperclip far away from the magnetic field of a magnet, it will
    interact
    not interact
  • Is this a conductor or an insulator?
    Conductor
    Insulator
  • A neutral charge and a negative charge will
    repel each other
    attract each other
  • Which type of magnet is not made magnetic by people?
    Electromagnet
    Natural magnet
    Temporary magnet
  • What type of electric force is this?
    positive
    negative
    neutral
  • Does this animal hibernate or migrate?
    migrate
    hibernate
  • What type of electric force is this?
    positive
    negative
    neutral
  • Which type of magnet can be turned on or off by an electric current?
    Electromagnet
    Temporary magnet
    Permanent magnet
    Natural magnet
  • What kind of fossil is this?
    animal fossil
    trace fossil
    plant fossil
  • Which of these following items are magnetic?
    water
    paperclip
    wood
    lego blocks
  • Does this animal hibernate or migrate?
    migrate
    hibernate
  • A cat is running after a mouse.
    The force is balanced.
    The force is unbalanced.
  • Is this a conductor or an insulator?
    Conductor
    Insulator
  • The magnetic force is strongest at the....
    poles
    middle part
  • Does this animal hibernate or migrate?
    migrate
    hibernate
  • How does living in groups give animals an Advantage?
    They can stay together and keep warm.
    They can protect each other from predators.
    All of the answers are correct.
    They can help raising one another's babies.
  • What is an Advantage?
    Something that does not help.
    Something that helps.
  • What is the net force of this diagram?
    5N <-------- (left)
    5N ----------> (right)
    9N <-------- (left)
    9N --------> (right)
  • Which of these following items are magnetic?
    plastic
    wood
    iron
    cotton
  • Does this animal hibernate or migrate?
    migrate
    hibernate
  • How will these magnet interact?
    Attract
    Repel
  • When we put two neutral charges together...
    Nothing will happen
    They will repel
    They will attract
  • Can a force change the direction of an object?
    Yes
    No
  • What kind of fossil is this?
    plant fossil
    animal fossil
    trace fossil
  • Two people exert equal strength in a tug of war competition
    The force is balanced
    The force is unbalaned
  • A positive charge and a negative charge will
    repel each other
    attract each other
    do nothing to each other
  • You push a house, but it doesn’t move.
    balanced force
    unbalanced force
  • Does this animal hibernate or migrate?
    hibernate
    migrate
  • Which of the following is a non-contact force?
    tension force
    friction force
    magnetic force
  • What is a force that slows things down?
    Magnetic force
    Electric force
    Frictional force
  • What is a pulling force is stretches things?
    tension force
    magnetic force
    spring force
  • Is this a conductor or an insulator?
    Conductor
    Insulator
  • Jerry is pushing the box at 50N, Ken is pushing the same box on the opposite side at 50N, what happen to the box?
    The box will not move because the force is balanced.
    The box will move because the force is unbalanced.
  • What kind of fossil is this?
    animal fossil
    trace fossil
    plant fossil
  • A negative charge and a negative charge will
    repel each other
    do nothing to each other
    attract other other
  • What is a force?
    A push or pull
    Strength
    Direction
    Power
  • An animal fossil has a mouth full of flat, dull (not sharp) teeth. What can you infer about the animal?
    The animal used to eat meat.
    The animal used to eat plants and vegetables.
    The animal used to eat spaghetti.
  • Why do hibernating animals wake up in spring?
    It is warmer and they can find food easily.
    Their alarm clock went off.
    Their mothers wake them up for school.
    The song birds wake them up.
  • What type of electric force is this?
    negative
    positive
    neutral
  • Does this animal hibernate or migrate?
    hibernate
    migrate
  • What is a non-contact force that pulls objects down towards the Earth?
    Gravity
    Electric
    Magnetic
  • How will these magnet interact?
    Attract
    Repel
  • Does this animal hibernate or migrate?
    hibernate
    migrate
  • What is the net force of this diagram?
    8N ----------> (right)
    8N <-------- (left)
    0N
    0N <-------- (left)