Solar System
Our solar system has this many planets.
8
The number of days it takes the moon to orbit the Earth
28
The hottest part of the Earth
inner core
Type of rock that has changed from one form to another rock form
metamorphic rock
Second largest component of air
oxygen
Small planets that consist mainly of rock
inner planets
When water is pulled due to the gravitational attraction of the moon
tides
The thickest layer of the Earth
mantle
Type of rock that forms underground
plutonic rock
Gas made up of two elements: carbon and oxygen
carbon dioxide
Big balls of hydrogen and helium gas
stars
The type of eclipse when the Moon passes between the Earth and Sun
solar eclipse
The layer of the Earth that is liquid
outer core
Type of rock that forms when magma cools and solidifies
igneous rock
Largest component of air
nitrogen
Fragments of rock which move between the inner and outer planets.
asteroid belt
Phase of the moon when the Earth is between the sun and moon
full moon
The coldest layer of the Earth
crust
Igneous rocks change into metamorphic rocks because of high temperatures and extreme _____.
pressure
Pale blue gas that smells like fish
ozone
Earth is located on one arm of this spiral
Milky Way Galaxy
The number of phases of the moon
8
Rock which is partly melted
magma
Type of rock that has small crystals and fine-grained texture
volcanic rock
Makes up 0.97% of air
argon