Study

Heat/light Unit 5

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  • What type of change is happening?
    chemical change
  • Reflection causes light to:
    change direction when it hits a surface
  • What type of heat transfer is this?
    conduction
  • Refraction causes light to:
    bend as it passes through a different medium
  • Where can we see a shadow? (behind a transparent, translucent or opaque object?)
    behind an opaque object
  • The photo shows: (condensation, evaporation, melting or solidification)
    evaporation
  • What type of surface reflects light best? (metal, wood, fabric, skin)
    metal
  • A gas changing into a liquid is called:
    condensation
  • What type of heat transfer is this?
    convection
  • What happens to light as it passes through water?
    it changes direction
  • Light is transferred through _______.
    radiation
  • The material is: (opaque, translucent, transparent)
    translucent
  • The material is: (opaque, translucent, transparent)
    transparent
  • The photo shows: (condensation, evaporation, melting or solidification)
    melting
  • Opaque materials _______ light pass through them.
    don't let
  • Which conducts heat well? (plastic, wood, or metal?)
    metal
  • What is white light made up of?
    all colors
  • What type of heat transfer is this?
    radiation
  • Which change is irreversible? (physical or chemical)
    chemical
  • Name two sources of natural light and two sources of artificial light.
    natural: sun, fire, fireflies, stars artificial: torch, lightbulb, machines, phones, computer screens
  • A liquid changing into a solid is called:
    solidification
  • Translucent materials _______ light pass through them.
    let some
  • What can we use to separate white light into colors?
    prisms
  • How does light travel?
    in straight lines