Rock Dating

Which of the following might show evidence of a year with low rainfall?

• Tree Rings

• Index Fossils

• Original Remains

• Sedimentary Rock

In which time span did dinosaurs live?

• Cenozoic era

• Paleozoic era

• Mesozoic era

• Precambrian era

Tags

NGSS.MS-LS4-1

Half-life is a measurement of

• fossil age

• radioactive breakdown

• cold climates

• relative age

Tags

NGSS.HS-PS1-8

What is the age of the earth?

• 570 million years

• 1.1 billion years

• 4.6 billion years

• 9.5 billion years

Tags

NGSS.MS-ESS1-4

What was the earliest form of life?

• a fish

• a fern

• a one-celled organism

• a reptile

Which statement best describes the theory of uniformitarianism?

• Earth continues to change as it always has.

• Earth is changing, but not as quickly as it used to.

• Earth is changing, but faster than it used to.

• Earth is no longer changing.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-1

How does petrified wood form?

• A log falls into water that freezes.

• Sedimentary rock forms over a log.

• Igneous rock covers a log and heats it.

• Water seeps through a log, replacing its cells with minerals.

A cast fossil is formed from:

• igneous rock

• a mold

• amber

• wood

Which of these substances best preserves soft parts of an organism?

• sedimentary rock

• igneous rock

• amber

• air

Which type of fossil would be most likely to show the complete outline of a leaf?

• petrified wood

• cast fossil

• carbon film

• trace fossil