List three materials that sedimentary rocks can be made from.
gravel/pebbles/silt/sand/clay
100
What does the word metamorphic mean?
change form
100
What do all rocks have in common.
They are all made out of minerals.
200
If igneous rocks are formed from magma, what size crystals do they have?
large crystals
200
How are sedimentary rocks formed?
minerals dissolved in water/water evaporates out
remains of living things/pressure of layers harden into rocks
sediment becomes cemented by pressure of water
200
How do metamorphic rocks differ from the original rocks they come from?
They are harder and denser
200
In which two types of rocks can you find fossils?
metamorphic and sedimentary
300
Igneous rocks formed from lava are called........
Extrusive
300
Where are sedimentary rocks normally formed/found?
underwater
300
List the two ways metamorphic rocks are formed.
From contact with magma.
Heat and pressure.
300
How are igneous and metamorphic rocks similar?
They both experience heat.
400
Name two igneous rocks.
basalt/granite/obsidian/pumice
400
Name two sedimentary rocks.
sandstone/conglomerates/shale/coal
400
Name two metamorphic rocks.
slate/marble/gneiss/schist/quartzite
400
Name one rock and and then the rock it becomes under extreme heat and pressure.