Ohio Science Review

The outermost layer is the ________.

• mantle

• crust

• inner core

• outer core

Tags

NGSS.MS-ESS2-1

The layer below the crust is the ____________.

• oceanic crust

• mantle

• inner core

• continental crust

Which type of force(s) will cause a change in an object's motion?

• gravity

• zero net force

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-2

friction is a force that acts 

• in the same direction as the motion

• opposite to the direction of the motion

• opposite to the applied forces

• the same direction as the applied force

Which of the following best describes an ecosystem?

• A collection of plants and animals

• A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system

• A group of interacting animals

• A single species and its natural habitat

Tags

NGSS.MS-LS2-3

Which of the following best defines science?

• A collection of unchangeable facts about the natural world

• The study of the natural world through observation, identification, description, experimental investigation, and theoretical explanations

• A belief system based on assumptions about the natural world

• A method for proving theories beyond doubt

Tags

DOK Level 1: Recall

What is the role of evidence in modifying scientific theories?

• Evidence is rarely considered when modifying theories.

• Evidence can refute or support theories, leading to modifications.

• Theories are modified first, then evidence is found to support the changes.

• Evidence is only used to confirm existing theories, not modify them.

Tags

DOK Level 3: Strategic Thinking

What does an energy pyramid show?

• The amount of energy consumed by humans

• The number of animals in an ecosystem

• The flow of energy from one trophic level to the next in an ecosystem

• The physical structure of a forest

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best describes the flow of energy in an ecosystem?

• It flows from decomposers to producers to consumers

• It is recycled among producers only

• It flows from producers to consumers to decomposers

• It flows directly from the sun to all living organisms equally

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• To produce oxygen through photosynthesis

• To consume living plants and animals

• To break down dead organisms and recycle nutrients back into the ecosystem

• To serve as the primary source of energy in an ecosystem

Tags

NGSS.MS-LS2-3