6th grade Science Stars Test

what galaxy is earth located in

the milky way

what is a star

is a sphere of hot hydrogen gas

what the order of star colors

blue, white, yellow, orange, and red

what are elliptical galaxies shaped like

like footballs or basketballs

elliptical galaxies have lots of stars

false elliptical does not have many stars

elliptical has barley any gas and dust

true it barley has gas or dust

what is a planet

planet orbits the Sun and does not share it orbit

what is a dwarf planet

it orbits the sun, but it shares it’s orbit

what shape is a irregular galaxy

it has a unknown shape

irregular galaxies do not have many stars

false they have lots of stars

what are spiral galaxies shape like

they are shaped like disc

spiral galaxies have an even amount of stars, gas, and dust

true they have even stars, gas, and dust

asteroids

are rocks that orbit the sun

comets

small icy objects that orbit the sun

meteoroids

are small rocks that move through space

meteor

when a meteoroid enters earth’s atmosphere and creates a streak of light

revolution

the orbit of an object around another object

rotation

the spin of an object around its axis