Science

Which is used in radioactive dating?

• carbon-14
• index fossils
• hydrochloric acid 
• law of superposition

Tags

NGSS.HS-ESS1-6

What does the fossil record best support?

• the Theory of Biological Evolution

• the Law of Superposition

• the Theory of Geological Evolution

• Newton's 1st Law

Tags

NGSS.MS-LS4-1

What do earthquakes tell scientists about the history of the planet?

• earth’s climate is constantly changing.
• the continents of Earth are continually moving.
• Dinosaurs became extinct about 65 million years ago.
• The oceans are much deeper today than millions of years ago.

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which idea does evidence found in sedimentary rocks best support?

• most organisms from Earth's history still exist.

• Organisms have not changed significantly over time.

• All organisms from Earth's history have become extinct.

• organisms have evolved from simple to complex forms.

Tags

NGSS.MS-LS4-1

Where is evidence most often found to represent a record of Earth's history?

• air, lava, and fossils
• water, air, and rocks
• lava, water, and ice cores
• rocks, fossils, and ice cores

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which is the best predictor of the relative age of a layer of rock?

• thickness of the layer
• position of the layer
• length of the layer
• size of the layer

Tags

NGSS.MS-ESS1-4

Which process most likely accounts for the major increase in atmospheric carbon dioxide over time?

• increased deforestation
• decreased deforestation
• increased use of fossil fuels
• decreased use of fossil fuels

Tags

NGSS.HS-ESS2-6

A geologist found 600-year-old sediments below a particular rock layer. Which will the geologist most likely find above the rock layer?

• 450-year-old sediments
• 600-year-old sediments
• 650-year-old sediments
• 1,000-year-old sediments

Tags

NGSS.MS-ESS1-4

A scientist finds an index fossil in layers of rock in both Africa and South America. What does this indicate about the ages of rocks?

• The African rock is older.
• The South American rock is older.
• The rocks are younger than the fossils.
• The rocks are approximately the same age. 

Tags

NGSS.MS-ESS1-4

Which part of Earth's history is best shown by analysis of ice cores?

• changes in climate
• changes in plant growth
• changes in the amounts of precipitation
• changes in the formation of rock layers.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5