the universe
what is the universe?
A wide continuous area of space, matter,time and energy
what is te solar system made up of?
sun and the collection of planets and other celestial bodies that travels around it
what is light year
a distance taht light would travel in one year.
what is the study of outer space called?
Astronomy
what is gravity
gravity is the force of attraction between two objects that has mass
how old is the universe?
13.8 billion years old
what are the large planets called
Gas giants
speed is equal to and time is equal to?
distance over timedistance over speed
what is the name of earth star?
The Sun
what does the planet orbit and why?
the sun
Contents of the universe:
planets,stars, galaxies,etc.
what are the four gas giants
jupiter,saturn,uranus and neptune
hat is significant figures
digits of a number that are meaningful to the nuber of accuracy
what are the smaller planets mainly made up of?
iron and rocks
what does the moon orbit and why?
the planets
the universe began about 13.8 billion years ago by an explosion. What is the name of the eplosion?
The Big Bang
what gas are the planets listed above mainly comprised with?
hydrogen and helium
rules for:
non zero digits
zeros that falls between digits bigger than zeros
leading zeros are
trailing zeros are
1) are always significant
2)are significant
3)NEVER significant
4)ONLY significant if the number contain a DECIMAL POINT
which planet is the closet planet to the sun?
mercury
what does the star (sun) orbit?
the milky way
which planet is the smalles planet?
mercury
what are the smaller planents kwown as?
terrestial planets
your graph should always have
slope equal?
area equal?
a title
a scale
labelled axis
plotted data
gradient/slope
slope- lenght of vertical line/ lenght of horizantal line
area-1/2 x base x height
which planet is the largest planet and how big it is to the size of earth?
Jupiter
mass is the amount of matter inside an object while, weight___________
is measured of how much the gravity of the earth pulls that mass