Flashcards in Chapter 2 Rocks: Mineral Mixtures Deck (25):
Rock is a solid ________ of crystals of one or more minerals.
How is the scalpel shown in Fig. 2 similar to stone tools used by early humans?
Then and now they both used obsidian to make sharp tools
What are some rocks that have been used as building materials?
Fossils found in rocks provide clues about the history of ______ on earth.
Scientists classify rock into one of the three main categories by....
1) what they are made of
2) how they are broken down
3) how they form
What are the main types of rock?
Grains of sand are _______ from mountains and wash down in rivers to the sea.
Which kind of rock could be described as being formed by "pressure cooking?"
What processes transform magma into igneous rock?
Sedimentary rock forms from the cooling of ________
The sediments that form sedimentary rock can only come from ________
Heat and pressure will change _________ rock into __________
Igneous rock ----> metamorphic rock
Earth scientists classify different rocks according to their ___________ and their __________.
Composition and texture
What determines the composition of a rock?
The minerals a rock is made of
Small grained rocks have a ________ texture
Rocks made up of large grains have a ___________ texture.
Sand on sed in the sea evaded to the bottom to settle
Erosion of the overlying rock exposes
The process of the slate being compacted
The binding together of particles or other things by cement
Formed by the Deposition of material at the surface and within bodies of material
The quality of being hot or high temp
Alteration of the composition of structure of a rock by heat
Make or become