Today's Rocket Words: Your 5 words and meanings to learn
extrusive igneous rock
rock that has been formed from molten lava and either cooled quickly or slowly
igneous rocks
rocks created from solidified lava
crystals
a solid, clear mineral formed when liquid is cooled into a solid
intrusive igneous rock
rock that has been formed under the Earth’s surface over a long period of time
magma
hot liquid rock below the surface of the Earth; when a volcano erupts it can be seen and is called lava