This was created to meet the curriculum outcomes in New Brunswick's Grade 7 Science Earth's Crust Unit.

1. Thursday, January 29, 2015
The Earth’s Crust
Metamorphic Rock

2. 3. Metamorphic Rock – “Changing Form”
Once a rock
exists (as
igneous or
sedimentary), it
can be changed
into another,
different kind of
rock by using
pressure and
heat (and a lot
of time)

3. Metamorphic rock – rock that has
changed form into a new type of
rock.

4. The original rock (parent rock) is
changed by pressure and heat to
form a new metamorphic rock.

5. Parent Rock Metamorphic Rock
Granite
pressure and heat
Examples
Gneiss

6. Parent Rock Metamorphic Rock
Sandstone
pressure and heat
Sandstone Quartzite

7. Parent Rock Metamorphic Rock
Mudstone
(Shale)
pressure and heat
Mudstone Slate
(Shale)

8. Parent Rock Metamorphic Rock
Limestone
pressure and heat
Limestone Marble