9.5

The radiometric dating of an igneous rock provides ____________.

• the relative age of the rock

• the age of Earth

• a date for when the rock formed

• a date for when the rock was eroded

Why is it important to study fossils?

•  Fossils are evidence of organisms that lived long ago.

• Fossils are fortune tellers.

• Fossils are fun to study.

• Fossils are found everywhere in the world.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What evidence shows that parts of Utah were once the sea floor of an ancient ocean?

• Mammoth fossils found in caves.

•  Saber tooth tiger claws found in rocks.

• Trilobites found in limestone.

• Cooper and gold found in mines.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What is the techniques using by Scientist to determine the age of the Earth?

• Selective dating

• Chemical dating

• Relative dating

• Absolute dating

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

When something is _____________________ it no longer exists.

• paleontologist 

•  fossil

• preserved

• extinct

Tags

NGSS.MS-LS4-1

Where are prehistoric animals preserved as whole animals?

•  In Sedimentary Rock

• In amber

• In limestone

• In oceans

Who use the geological time scale to study the history of the Earth systematically.

• Geologist

• Botanist

• Scientist

• Biologist

Tags

NGSS.MS-ESS1-4

What is the pH level of a solution that is considered neutral?

• 7

• 9.5

• 5

• 3

Which of the following pH values indicates a basic solution?

• 4.5

• 7

• 9.5

• 2

If a solution has a pH of 9.5, what can be inferred about its acidity or basicity?

• It is acidic

• It is neutral

• It is basic

• It is highly acidic