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Science L3 How do these work?

  •  English    21     Public
    Answering questions about how projectors work, how mirrors work and how lightening works
  •   Study   Slideshow
  • What is a mirror made of?
    Metal and glass
  •  15
  • Do our eyes reflect light or gather light?
    Gather light
  •  15
  • True or false. Glass can absorb all kinds of light.
    False...it is transparent
  •  15
  • Give an example of other objects that can reflect light except glass.
    Polished stone, metal, foil, water, etc
  •  15
  • Which would reflect more light? A straight piece of foil OR a crumpled piece of foil
    Crumpled piece of foil
  •  15
  • How does a mirror make you look really big or really small? The mirror is curved OR it is much thicker
    A curved mirror
  •  15
  • Electricity is a type of ______________. Action OR energy
    Energy
  •  15
  • Lightening can happen between clouds. True or false
    True
  •  15
  • What uses electricity in our homes?
    Kettle, heater, stove, laptop, computer, TV, etc
  •  15
  • What is an atom?
    The smallest piece of matter
  •  15
  • What 3 elements make up an atom? P, N and E
    Protons, neutrons and electrons
  •  15
  • Can electrons jump?
    Yes
  •  15
  • Where do electrons live in an atom? In the center or in the orbit of the atom?
    Orbit of the atom
  •  15
  • What inside clouds causes lightning to form? Is it wind OR particles
    Water and dust particles and bits of ice
  •  15
  • When we talk of charge...what can we say? An object is _________ or ___________charged. Positively or negatively OR actively or non-actively
    Positively and negatively
  •  15
  • As you walk across a carpet, what gets built up? Positive or negative charge?
    Negative charge
  •  15