Science

What is a fossil

• A type of rock
• The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
• The remains of an organism in a rock

• A type of animal

Tags

NGSS.MS-LS4-1

Compare and Contrast Absolute Dating and Relative Dating

• Absolute dating provides an approximate age while Relative Dating Determines different ages by comparing them with other rocks.

• Absolute dating and relative dating are the same.
• Absolute dating and relative dating both provide the exact age of an event.
• Absolute dating is based on fossils and relative dating is based on rocks.

How is the geologic time scale important and relevant in determining life forms?

• It helps in determining the age of rocks
• It provides a timeline for the evolution of life forms
• It provides a timeline to show how things changed

• It helps us figure out things from the past and the future

Tags

NGSS.MS-ESS1-4

Give 2 ways an organism can become a fossil without being buried in sediments?

• Through Amber and Ice

• Through photosynthesis and respiration
• They have to be buried to become a fossil

• Through Water and Tar

Refer to the Image (Side) Which Rock is the oldest and which rock is the youngest?

• A is the oldest & G is the youngest

• A is the oldest & B is the youngest

• F is the oldest & G is the youngest

• B is the oldest & E is the youngest

Tags

NGSS.MS-ESS1-4

True or False: The principle of crosscutting relations states that faults or cuts in rocks are younger than the rock which it came from

• True

• False

When did modern humans come to existence?

• Around 200,000 years ago
• Around 1 million years ago
• Around 250,000 years ago

• Around 2 million years ago

Fossil can be exposed by:

• Uplift

• Water

• Rocks

• Lava

Tags

NGSS.MS-ESS2-3

What is the difference between extinction and mass extinction?

• Extinction refers to the end of an individual species, while mass extinction refers to the end of a large number of species at the same time
• Extinction is a natural process, while mass extinction is always caused by human activities
• Extinction happens over a long period of time, while mass extinction happens instantly
• There is no difference

Name the 2 types of fossils

• Trace and Foot

• Fossil and Body

• Trace and Body

• Cast and Mold