physicss
what do forces do?
change the shape speed or direction of an object
what is the unit and unit symbol if a force
newton N
how do we show a force on a diagram
an arrow
what does the length of the force arrow tell us
the size of the force
what is another name for the size of the force
magnitude
what dors the direction of the force arrow tell us?
the direction if the force
how do you cauculate weight
W=mg
what does the moon orbit?
the earth
what is the sun ?
a star
what do you call a patern of stars in the sky?
a nebulla
what is the shape of the earths orbit
almost circular
what is a year
time taken for a planet to orbit a star
what is the planet we live on?
earth
what happens to the temp of a gas when squeezed?
it gets hotter
what season of the suns path is when its in the lowest in the sky
winter
qhat direction does the sun move across the sky
east to west
what is the universe made up of?
billions of galixys
how long does it take light to travel from the sun to the earth?
about 8 mins