Fossils and Sedimentary Rocks

What did Rodolfo Coria feel like when he first looked at the Argentinosaurus?

• Amazed

• Indifferent

• Disappointed

• Confused

What is an inference according to the passage?

• A conclusion drawn from evidence and reasoning

• A direct statement from the text

• A summary of the passage

• A question about the passage

Rodolfo Coria needs to make inferences because:

• he lacks direct evidence.

• he wants to confirm his hypothesis.

• he is conducting an experiment.

• he is writing a book.

Fossils are:

• remains of living organisms preserved in rock

• a type of rock

• a type of mineral

• a type of plant

Fossils can be found millions of years after an organism died. True or False?

• True

• False

Sediment is made up of sand, mud, and tiny bits of ________.

• organic material

• plastic

• metal

• glass

What happens to sediment in watery environments over time?

• It dissolves

• It builds up and pushes down on the sediment below it

• It evaporates

• It remains unchanged.

As the sediment compacts, all the tiny bits of sand and rock begin to _______.

• cement

• dissolve

• evaporate

• melt

What forms as the sediment compacts and cements over many years?

• A mountain

• A large, flat layer of sedimentary rock

• A volcano

• A glacier

The process called when sediment turns into rock and preserves organisms' bodies is known as:

• Fossilization

• Erosion

• Metamorphism

• Sedimentation