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Magma is _______ rock.
melted
When a volcano ______, lava flows down the sides.
erupts
After an eruption, ash may ______ the area around a volcano.
cover
If a volcano is erupting, then it is ____________.
active
If a volcano is not erupting, but may erupt in the future, it is _____________.
dormant
If a volcano has not erupted in thousands of years and will not erupt in the future, it is ._________
extinct
The hole left at the top of a volcano that has erupted is called a ___________.
crater
The sides of a volcano form the ________ at the top.
cone
I go to Hawaii / I see volcanoes
If I go to Hawaii, I will see volcanoes.
I run away / volcano erupts
If a volcano erupts, I will run away.
Ash covers the grass / the grass dies
If ash covers the grass, the grass will die.
lava reaches the sea / it makes steam
If lava reaches the sea, it makes steam.
no airplanes fly / ash fills the sky
If ash fills the sky, no airplanes will fly.
An ______ volcano sends steam into the air.
active
Some trees are _____ in the winter and have no leaves.
dormant
When no animals of a species are alive, they are ______.
extinct
