Rocks and Fossils Review Quizizz

How are sedimentary rocks formed?

• a. cooling and hardening of lava

• b. applied hear and pressure

• c. Compacting and cementing of sediments

• d. melting of rock

If rock layers are stacked on top of one another, where can the oldest layer be found?

• a. the top layer

• b. the middle layer

• c. they are all the same age

• d. the bottom layer

What kind of rock can fossils be found?

• a. sedimentary rocks

• b. igneous rocks

• c. metamorphic rocks

• d. granite

How are fossils created or formed?

• a. traces of organisms get turned into stone

• b. dead organisms are buried quickly and remain undisturbed for millions of years

• c. animals get trapped in resin, tar, or ice

• d. all of the above

A fault or body of rock is younger than any other body of rock it cuts through according to the law of

• a. crosscutting relationship

• b. superposition

• c. the law of superposition

• d. average

Younger layers of undisturbed sedimentary rock are above older layers according to

• a. the principle of uniformitarianism

• b. the principle of sedimentarianism

• c. the law of superposition

• d. the angular unconformity

The principle that Earth's history can be explained by current geologic processes is

• a. unconformity

• b. uniformitarianism

• c. superposition

• d. evolution

Organisms that formed index fossils

• a. lived during long spans of geologic time

• b. lived during short spans of geologic time

• c. wer destroyed by igneous rocks

• d. were destroyed by sedimentary rocks

The age of an object in relation to the ages of other objects is

• a. absolute age

• comparative age

• c. relative age

• d. relational age

The numeric age of an object is called

• a. relational age

• b. comparative age

• c. relative age

• d. absolute age