How does physical evidence, such as rock layers, contribute to our understanding of Earth's history?(1 point)
Responses
It helps predict future climate patterns.
It helps predict future climate patterns.
It provides information about ancient human settlements.
It provides information about ancient human settlements.
It reveals the sequence of events that occurred over time.
It reveals the sequence of events that occurred over time.
It demonstrates the impact of human activities on the environment.
It reveals the sequence of events that occurred over time.
Which of the following is a key characteristic of all planets?(1 point)
Responses
They are made up of mostly ice and dust
They are made up of mostly ice and dust
They orbit the sun and shine by reflecting light
They orbit the sun and shine by reflecting light
They are small rocky objects the burn upon entering Earth's atmosphere
They are small rocky objects the burn upon entering Earth's atmosphere
They have a tail that extends as it moves through space
They have a tail that extends as it moves through space
They orbit the sun and shine by reflecting light.
Which of the following best describes the role of gravity in the formation of planets, stars, and solar systems?(1 point)
Responses
Gravity causes the expansion of the universe.
Gravity causes the expansion of the universe.
Gravity prevents the formation of stars and planets.
Gravity prevents the formation of stars and planets.
Gravity brings together matter, leading to the formation of stars, planets, and solar systems.
Gravity brings together matter, leading to the formation of stars, planets, and solar systems.
Gravity is not involved in the formation of stars and planets.
Gravity brings together matter, leading to the formation of stars, planets, and solar systems.
Which of the following best explains why the Southern Hemisphere experiences seasons opposite to those in the Northern Hemisphere?(1 point)
Responses
The tilt of Earth's axis is reversed in the Southern Hemisphere.
The tilt of Earth's axis is reversed in the Southern Hemisphere.
The Southern Hemisphere is closer to the sun during its winter.
The Southern Hemisphere is closer to the sun during its winter.
The Southern Hemisphere receives less direct sunlight during its summer.
The Southern Hemisphere receives less direct sunlight during its summer.
The Southern Hemisphere has a longer revolution around the sun.
The Southern Hemisphere has a longer revolution around the sun.
The tilt of Earth's axis is reversed in the Southern Hemisphere.
For each of the statements below, indicate whether the statement describes a scientific theory, a scientific law, or both. (1 point)
Scientific Theory Scientific Law Both
Can be modified if new evidence or information arises
Scientific Theory – Can be modified if new evidence or information arises
Scientific Law – Can be modified if new evidence or information arises
Both – Can be modified if new evidence or information arises
Often represented by a mathematical formula
Scientific Theory – Often represented by a mathematical formula
Scientific Law – Often represented by a mathematical formula
Both – Often represented by a mathematical formula
Explains how a natural phenomenon works
Scientific Theory – Explains how a natural phenomenon works
Scientific Law – Explains how a natural phenomenon works
Both – Explains how a natural phenomenon works
Describes a relationship that always occurs under specific conditions
Scientific Theory – Describes a relationship that always occurs under specific conditions
Scientific Law – Describes a relationship that always occurs under specific conditions
Both – Describes a relationship that always occurs under specific conditions