Science NC EOG Review

Which action shows concern for the environment with regards to the resources of the oceans?

• developing technology which will allow for an increase in fish harvesting.

• allowing factories to release untreated wastewater into the oceans

• filling in oceanfront wetlands in order to extend beachfront properties

• setting limits on fish harvesting in the oceans

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Which would indicate the water in a lake is not safe for drinking?

• many varieties of fish in the lake

• high dissolved-oxygen levels in the lake

• cold water temperature of the lake

• high turbidity levels in the lake

If a lake has excess levels of phosphates and nitrates in its water, what will most likely result?

• The temperature of the lake water will decrease.

• The turbidity levels of the lake will decrease.

• The dissolved-oxygen levels in the lake will increase.

• The growth of algae in the lake will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which characteristic of water quality provides the most information regarding the health of a water system?

• clarity

• temperature

• concentration of heavy metals

• presence of indicator species

Where is most of Earth’s freshwater located?

• in the clouds

• in the ice caps

• in the ocean

• in the ground

Tags

NGSS.MS-ESS2-4

A geologist identifies the identical index fossils in rock layers from two different areas. Which conclusion is best supported by this discovery?

• The deposition rate of the two rock layers was identical.

• The fossil organism evolved independently in the two separate areas.

• The two rock layers were deposited at approximately the same time.

• The index fossil will also occur in sediment deposited on top of these rock layers.

Tags

NGSS.MS-LS4-1

Which evidence supports the idea that life on Earth has continually evolved?

• evidence from layers of tree rings

• evidence from rock layers, fossils, and ice cores

• evidence gathered from melting glaciers

• evidence that the climate has changed over the past 100 years

Tags

NGSS.MS-LS4-1

Which would most likely increase the genetic variation in a population of organisms?

• increase in diseases

• decrease in diseases

• increase in mutations

• decrease in mutations

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

Which is the most accurate method scientists use to predict the age of Earth?

• relative dating of rock layers

• radioactive dating of rocks

• comparing the ages of different fossils

• investigating core samples from the Arctic

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

Which best explains why mammals became dominant after the mass extinction of the dinosaurs?

• They had traits that helped them adapt to environmental changes.

• They were larger than dinosaurs and ate different foods.

• They lived in different areas on Earth than dinosaurs.

• They were able to hibernate for thousands of years.

Tags

NGSS.MS-LS4-4