How many layers does the atmosphere have? a- 3; b- 6; c- 5

The mantle is ...... a- solid; b- rocky

The inner core is solid. T/F

The outer core is in the center of the Earth. T/F

A ______ is a solid object that is formed in nature and has never been alive. It is made up of only one material and has always been the same. It has a definite crystalline structure. ROCK or MINERAL

Can volcanic eruptions cause TSUNAMIS?

What is lava called when it is inside the volcano?

A _____ is a naturally ocurring solid substance that is normally made of one or more minerals. SOIL or ROCK

Where is the INNER CORE? a- in the center of the planet; b- where we live; c- where there is lava

Where are GEYSERS located?

How many active volcanoes are there on Earth nowadays? a- 1,350; b- 500; c- 2,000

Volcanoes are named after the Roman god Vulcan. The early Romans believed that Vulcan worked at his hot forge, striking sparks as he made swords and armor for other gods. T/F