Earth/Planets
What shape is the earth
Sphere, or ball shaped
What causes the north and south poles to be cold all year long?
The tilt of the earth on its axix
What is the largest planet
Jupiter
What is a comet
frozen mass of idfferent types of ice and dust that orbit the sun
8
The orbit of the Earth around the sun is what shape?
Elliptical
What is one full orbit called? VOCAB WORD
revolution
What is a dwarf planet?
Small, pluto
What is a nucleus compared to as?
Dirty snowball
What do the first 4 planets have in common
Rock planets
What is the imaginary line in the center of the earth, going North and South. VOCAB WORD
Axis
What does Earth have around it that allows life?
Atmosphere
What is a shooting star?
A meteor
What happens to the tides when the moon and sun form almost a 90 degree angle with earth?
LOW tide
What do the outer 4 planets have in common
gas giants
What is it called when a planet "spins" on the axis. VOCAB WORD
rotation
What keeps all things on earth, rather than floating away
gravity
Name the two types of tails comets can have
Ion and Dust
What causes the tide to change
gravity of the moon and earth
What is the order of the planets
Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
Earth complete 1 _________ in 24 hours
rotation
Axis
What is a coma
a giant cloud of dust and evaporated gases that surround the nucleus
Why do craters last for millions of years on the surface of the moon?
The moon has no water to erode the craters