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Matter, Materials and Forces

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  • amount of matter in an object
    mass
  • opposite of fragile
    flexible
  • when two objects interact but don't make contact or touch each other
    non-contact force
  • A ball of cork ________ because it has a __________ density than water.
    floats/lower
  • The steel ball has more/less density than the cork ball.
    more
  • property description: can support weight without breaking
    strong
  • when objects touch and exert force on each other
    contact force
  • opposite of rigid
    elastic
  • property description: returns to original shape after stretching
    elastic
  • instrument used to measure volume
    cylinders and beakers
  • force exerted by magnets
    magnetism
  • unit(s) of mass
    grams (g) and kilograms (kg)
  • amount of mass in a specific volume
    density
  • anything with mass and volume
    matter
  • Wood and metal are examples of __________ materials.
    natural
  • Plastic, ceramics, and glass are examples of ___________ materials.
    man-made
  • opposite of opaque
    transparent
  • matter with particular characteristics
    material/substance
  • The steel ball has more/less mass than the cork ball.
    more
  • opposite of weak
    strong
  • instrument used to measure mass
    scales
  • differentiates one material from another
    properties
  • opposite of soft
    hard
  • property description: light can pass through
    transparent
  • have a fixed volume only
    liquid
  • has neither a fixed shape nor a fixed volume
    gas
  • property description: can be bent without breaking
    flexible
  • property description: cannot be scratched easily
    hard
  • An anchor _______ because it has a _________ density than water.
    sinks/higher
  • Fibres are an example of ___________ materials.
    natural and man-made
  • A feather ________ because it has a __________ density than water.
    floats/lower
  • A stone _________ because it has a ___________ density than water.
    sinks/higher
  • Objects ability to float in liquid
    buoyancy
  • force that pulls objects toward the Earth
    gravity
  • The balls have the same/different volumes.
    same
  • have a fixed shape and volume
    solid
  • amount of space an object occupies
    volume
  • can change an object's movement or direction of movement.
    forces
  • unit(s) of volume
    milliliters (ml) and liters (L)