Study

Changing States of Matter

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  • A drop of water was placed in a hot pan and seemed to disappear. The heat caused the water to _____________. A melt B freeze C cool D evaporate
    D evaporate
  • What is the melting point of water in degrees celsius?
    0 degrees celsius
  • Name the process that changes a gas to a liquid?
    condensation
  • What is the boiling point of water in degrees celsius?
    100 degrees celsius
  • When an ice cube is placed on the sidewalk on a hot day, what is the series of changes that occur to its physical state
    C Solid to Liquid to Gas
  • Water vapor is forming liquid water on the outside of the glass because the vapor -
    A loses heat when it touches the glass
  • What is the name of the process where a solid changes into a liquid?
    melting
  • What is the freezing point of water in degrees celsius?
    0 degrees celsius
  • What is the name of water in its gaseous state?
    water vapor
  • What is the name of the process that changes a liquid to a solid?
    freezing
  • Who am I? I'm visible. I keep my shape.
    Solid
  • Who am I? I'm visible. I can change shape. I can be poured.
    a liquid
  • Condensation occurs when water vapor ___________ and changes into liquid water. A gains heat energy B loses heat energy
    loses heat energy
  • Look at the image. The heat would cause what kind of change?
    D a solid becoming a liquid
  • As an ice cube melts, what will change? A How much it weighs B What it's made of C Shape D Where it is
    C Shape
  • Who am I? I'm invisible. I fill the space I'm in so my shape can change.
    a gas
  • Explain how a puddle of water disappears on a sunny day?
    The liquid water is heated by the sun. The liquid water evaporates and changes to water vapor.