Fossils

Which of the following is a fossil?

• Bird Tracks in Snow

• Insect in Amber from a Pine Tree

• Oil formed from Sea Animals of Long Ago

• Sandstone showing Ripple Marks from Water

Tags

NGSS.MS-LS4-1

Which of the following is a fossil?

• Living Pine Tree more than 4000 Years Old

• Arrowhead Made Thousands of Years Ago

• Modern Seashell

• Thin Layers of Carbon from Plant Remains of Thousands of Years Ago

Tags

NGSS.MS-LS4-1

This marine arthropod appeared at the beginning of the Cambrian Period about 542 million years ago, when they dominated the seas. (Would probably most closely related to the modern horseshoe crab.)

• Trilobite

• Ammonite

• Crinoid

• Brachiopod

Tags

NGSS.MS-LS4-1

Iceman was found in 1991 in the Italian Alps. Based on this type of dating, the age of Iceman was determined.

• Uranium - 235

• Radium-228

• Carbon-14

• Carbon-12

One of these is NOT a fossil. Figure it out!

• Gastrolith

• Miocene Shark Tooth

• Bituminous Coal

• Footprints in the Sand

Tags

NGSS.MS-LS4-1

How long ago did the Equator pass through North America? At this time, warm, shallow seas and coal swamps covered much of the continent.

• 100 million years ago

• 300 million years ago

• 1 million years ago

• 2 million years ago

Tags

NGSS.MS-ESS1-4

To be considered a fossil, how old must it be?

• 100 years

• 1000 years

• 10,000 years

• 100,000 years

Why are the soft parts of a shark's body not preserved as a fossil?

• They are squeezed out when the shark is buried.

• They are not made of mineral or rock.

• They cannot be changed to rock.

• They rotted before fossilization could occur.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Why is a fossil dinosaur bone much heavier than the original bone it was made from?

• it has absorbed water

• it is much older

• it is now made of minerals

• much of it has dissolved

What might a scientist tell from seashell fossils found on top of a mountain?

• Sea creatures were eaten by animals there.

• The ocean was once very deep.

• The mountain was once part of an ocean bottom.

• Shelled animals once lived on mountain tops.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1