Some buildings- especially old buildings- are made from blocks of rock. Give one advantage and one disadvantage of building with blocks of rock.
Stone crumbles as it ages, but it takes a long time to wear down.
Tina found a rock that has stripes. She thinks the stripes are different layers. What type of rock do you think she has- igneous, sedimentary or metamorphic?
Sedimentary
Glass is made from the mineral _____________.
Quartz
Metamorphic rock is made when ______________________.
Sedimentary or igneous rock is changed by pressure, heat, or both.
A rock is made of how many substances?
2 or more
Give an example of metamorphic rock:
marble
Give one example of an igneous rock:
Granite
List at least eight glass objects in your home that are made of glass.