Earth's Layers
Rockin' Around
MISC
Properties
100
What is the layer that contains the oceans and continents?
crust
100
We make up rocks?
minerals
100
What is a rock formed by heat and pressure?
metamorphic rock
100
What is when a rock breaks smoothly?
cleavage
200
What is the layer made up of liquid nickel and iron?
outer core
200
What is molten rock (magma) that reaches the surface called?
lava
200
What is the rock formed by many layers being compressed together at the bottom of a lake or river?
sedimentary rock
200
What is the way a mineral/rock reflects light?
lustre
300
What layer makes up 3/4 of the Earth's volume?
mantle
300
These rocks may have banded light and dark colors?
metamorphic
300
What is the scientific name for "layers"?
strata
300
What is a mineral that leaves a reddish-brown streak?
hematite
400
What is solid and between 3000 degrees and 6500 degrees celsius? (HOT)
inner core
400
When igneous rocks cool above the surface?
extrusive
400
What are the rocks that form when hot lava drips down sides of a volcano?
igneous rocks
400
What is the process of giving off bubbles of gas?
effervescence
500
What is known as a "molten mass"?
outer core
500
These rocks may have fossils in them?
sedimentary rocks
500
What is the process of erosion?
weathering
500
What is "fools gold"?
pyrite