TIDES

gravityThe force that pulls objects towards each other

ircamera.as.arizona.edu

tidesThe rise and fall of the water in the ocean that is caused by the gravity of the moon

81790-Ocean-Waves-Gif.gif

Tides are affected by the gravitational pull of the Moon on Earth’s water

tide cycleThe cyclic rise and fall of the sea level caused by the gravitational pull of the moon

http://fvcom.smast.umassd.edu/research_projects/SAltBight/sabecom.html

high tideThe rise of the sea level caused by the gravity of the moonque orbita alrededor de un planeta

low tideThe fall of the sea level by the gravity of the moon

moonA natural satellite that orbits a planet