NC Science

Which best describes uniformitarianism?

• The time it takes for erosion to occur has changed since Earth first formed.

• The movement of the continents no longer occurs because of changes in ocean currents.

• The processes that shape the Earth continue as they have since the Earth formed.

• The formation of rock layers has slowed because humans have altered the environment.

Tags

NGSS.MS-ESS2-4

If a bat, an alligator, and a bird evolved from a common ancestor, what most likely can be concluded?

• They have similar anatomical structures.

• They live in the same part of the world.

• They are in the same biological classification.

• They are able to survive changes in their environments.

Tags

NGSS.MS-LS4-2

Which of these would most likely happen to a species that is not able to adapt to a changing environment?

• The species would become extinct over time.

• The species would develop mutated cells.

• The species would develop resistance to disease.

• The species would change the environment.

Tags

NGSS.HS-LS4-5

Which statement supports the theory of evolution?

• All living cells come from previous cells.

• All plants and animals have DNA.

• Matter cannot be created or destroyed during chemical reactions.

• Fossils provide evidence that vertebrates share a common ancestor.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The population density of marine life is denser along the shorelines of the ocean than farther out in the deep waters of the ocean.  Which statement provides the BEST reason for this situation?

• Ocean currents prevent many smaller marine organisms from living in deep water.

• The shallow waters have fewer predators.

• Coastal waters are less polluted than the deeper waters of the ocean.

• There are more nutrients in shallow waters.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist has a hypothesis that a large volcanic eruption caused a change in global temperature. Which information gained from ice cores is MOST useful in supporting the scientist's hypothesis?

• levels of dissolved oxygen

• identities of trace metals

• estimates of natural radioactivity

• amounts of atmospheric dust

Tags

NGSS.MS-ESS3-5

Which is the best estimate of the melting point of Rubidium (Rb)?

• 25* C

• 40* C

• 75* C

• 184* C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which is classified as an element?

• carbon dioxide

• iron

• vinegar

• water

Chlorine has 7 valence electrons. With what group of elements will chlorine most readily bond?

• group 1

• group 2

• group 16

• group 18

Which is the best example of a chemical change?

• butter melting

• egg cooking

• paper tearing

• water evaporating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5