Study

2º A World of Energy

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  • Can you think of an animal that has light in its body? (Hint: Think of the ocean)
    A jellyfish, a firefly, a lanternfish
  • Name one animal that uses SOUND waves to find food...
    Dolphins, bats
  • Is this light artificial or natural?
    Artificial!
  • Light cannot pass through...
    Opaque
    Transparent
    Translucent
  • The Sun is a .... source of light
    Natural
    Artificial
    Opaque
  • TRUE OR FALSE: Light is very slow
    FALSE. Light is VERY VERY FAST!!
  • All light passes through things that are...
    Invisible
    Transparent
    Opaque
    Translucent
  • Glasses are...
    Opaque
    Invisible
    Translucent
    Transparent
  • The lights in our house are...
    Artificial
    Natural
  • Think of two examples of LOUD sounds
    Student's answers
  • My school bag is... (Hint: Can you see what's inside?)
    Invisible
    Opaque
    Transparent
    Translucent
  • Which object helps us see in the dark?
    A flashlight
    A coat
    A pair of glasses
    Lightning
  • What kind of sound does this make?
    Loud
    High pitch
    Low pitch
    Soft
  • TRUE OR FALSE: Sound waves can travel through water.
    TRUE
    FALSE
  • TRUE OR FALSE: A lion makes a low pitch sound
    FALSE
    TRUE
  • Is this light artificial or natural?
    Artificial!
  • How do I spell this?
    OCHE
    ECHO
    EHO
    EKKO
  • Is this light artificial or natural?
    Natural!
  • When it's dark at night, can we see colors?
    Yes
    No