Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS1-1
Performance Expectation
Conduct an investigation to provide evidence that living things are made of cells, either one cell or many different numbers and types of cells.
Life Sciences, Lesson 2 Levels of Organization
MS-LS1-1.3.1
Practice
Conduct an investigation to produce data to serve as the basis for evidence that meet the goals of an investigation.
Life Sciences, Lesson 2 Levels of Organization
MS-LS1-1.LS1.A.1
Life Sciences, Lesson 1 All living things are made up of cells, which is the smallest unit that Cell Structure and Function Disciplinary Core can be said to be alive. An organism may consist of one single cell Idea (unicellular) or many different numbers and types of cells Life Sciences, Lesson 2 (multicellular). Levels of Organization Life Sciences, Lesson 1 Cell Structure and Function
Crosscutting Concept
Phenomena that can be observed at one scale may not be observable at another scale.
MS-LS1-2
Performance Expectation
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to the function.
Life Sciences, Lesson 1 Cell Structure and Function
MS-LS1-2.2.1
Practice
Develop and use a model to describe phenomena.
Life Sciences, Lesson 1 Cell Structure and Function
MS-LS1-2.LS1.A.2
Within cells, special structures are responsible for particular Disciplinary Core functions, and the cell membrane forms the boundary that controls Idea what enters and leaves the cell.
Life Sciences, Lesson 1 Cell Structure and Function
Complex and microscopic structures and systems can be visualized, modeled, and used to describe how their function depends on the relationships among its parts, therefore complex natural structures/systems can be analyzed to determine how they function.
Life Sciences, Lesson 1 Cell Structure and Function
MS-LS1-1.3.1
MS-LS1-2.6.1
Crosscutting Concept
1
Life Sciences, Lesson 2 Levels of Organization
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS1-3
Performance Expectation
Use argument supported by evidence for how the body is a system Life Sciences, Lesson 2 of interacting subsystems composed of groups of cells. Levels of Organization
MS-LS1-3.7.1
Practice
Use an oral and written argument supported by evidence to support [Life Sciences, Lesson 2 or refute an explanation or a model for a phenomenon. Levels of Organization]
MS-LS1-3.LS1.A.3
In multicellular organisms, the body is a system of multiple Disciplinary Core interacting subsystems. These subsystems are groups of cells that Idea work together to form tissues and organs that are specialized for particular body functions.
Life Sciences, Lesson 2 Levels of Organization
MS-LS1-3.4.1
Crosscutting Concept
Systems may interact with other systems; they may have subsystems and be a part of larger complex systems.
Life Sciences, Lesson 2 Levels of Organization
MS-LS1-4
Performance Expectation
Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors Life Sciences, Lesson 10 and specialized plant structures affect the probability of successful Adaptations and Reproduction reproduction of animals and plants respectively.
MS-LS1-4.7.2
Practice
Use an oral and written argument supported by empirical evidence and scientific reasoning to support or refute an explanation or a model for a phenomenon or a solution to a problem.
Life Sciences, Lesson 10 Adaptations and Reproduction
MS-LS1-4.LS1.B.1
Disciplinary Core Animals engage in characteristic behaviors that increase the odds Idea of reproduction.
Life Sciences, Lesson 10 Adaptations and Reproduction
MS-LS1-4.LS1.B.2
Disciplinary Core Plants reproduce in a variety of ways, sometimes depending on Idea animal behavior and specialized features for reproduction.
Life Sciences, Lesson 10 Adaptations and Reproduction
2
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS1-4.2.2
Crosscutting Concept
Life Sciences, Lesson 10 Phenomena may have more than one cause, and some cause and Adaptations and Reproduction effect relationships in systems can only be described using probability. Life Sciences, Lesson 11 Influences on Growth
MS-LS1-5
Performance Expectation
Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
Practice
Construct a scientific explanation based on valid and reliable evidence obtained from sources (including the students’ own experiments) and the assumption that theories and laws that describe the natural world operate today as they did in the past and will continue to do so in the future.
MS-LS1-5.6.1 MS-LS1-6.6.1
Life Sciences, Lesson 11 Influences on Growth Life Sciences, Lesson 11 Influences on Growth Life Sciences, Lesson 4 Photosynthesis
MS-LS1-5.LS1.B.3
Disciplinary Core Genetic factors as well as local conditions affect the growth of the Idea adult plant.
Life Sciences, Lesson 11 Influences on Growth
MS-LS1-6
Performance Expectation
MS-LS1-6.LS1.C.1
Plants, algae (including phytoplankton), and many microorganisms use the energy from light to make sugars (food) from carbon dioxide Disciplinary Core Life Sciences, Lesson 4 from the atmosphere and water through the process of Idea Photosynthesis photosynthesis, which also releases oxygen. These sugars can be used immediately or stored for growth or later use.
MS-LS1-6.PS3.D.1
The chemical reaction by which plants produce complex food Disciplinary Core molecules (sugars) requires an energy input (i.e., from sunlight) to Idea occur. In this reaction, carbon dioxide and water combine to form carbon-based organic molecules and release oxygen.
Construct a scientific explanation based on evidence for the role of Life Sciences, Lesson 4 photosynthesis in the cycling of matter and flow of energy into and Photosynthesis out of organisms.
3
Life Sciences, Lesson 4 Photosynthesis
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS1-6.5.2
Crosscutting Concept
Within a natural system, the transfer of energy drives the motion and/or cycling of matter.
Life Sciences, Lesson 4 Photosynthesis
MS-LS1-7
Performance Expectation
Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.
Life Sciences, Lesson 5 Cellular Respiration
MS-LS1-7.2.2
Practice
Develop a model to describe unobservable mechanisms.
Life Sciences, Lesson 5 Cellular Respiration
MS-LS1-7.LS1.C.2
Within individual organisms, food moves through a series of Disciplinary Core chemical reactions in which it is broken down and rearranged to Idea form new molecules, to support growth, or to release energy.
MS-LS1-7.PS3.D.2
Cellular respiration in plants and animals involve chemical reactions Disciplinary Core with oxygen that release stored energy. In these processes, Life Sciences, Lesson 5 Idea complex molecules containing carbon react with oxygen to produce Cellular Respiration carbon dioxide and other materials.
MS-LS1-7.5.1
Crosscutting Concept
Matter is conserved because atoms are conserved in physical and chemical processes.
MS-LS1-8
Performance Expectation
Gather and synthesize information that sensory receptors respond Life Sciences, Lesson 3 to stimuli by sending messages to the brain for immediate behavior Sensory Receptors or storage as memories.
Practice
Gather, read, and synthesize information from multiple appropriate sources and assess the credibility, accuracy, and possible bias of each publication and methods used, and describe how they are supported or not supported by evidence.
MS-LS1-8.8.1
4
Life Sciences, Lesson 5 Cellular Respiration
Life Sciences, Lesson 5 Cellular Respiration
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS1-8.LS1.D.1
Each sense receptor responds to different inputs (electromagnetic, Disciplinary Core mechanical, chemical), transmitting them as signals that travel Life Sciences, Lesson 3 Idea along nerve cells to the brain. The signals are then processed in the Sensory Receptors brain, resulting in immediate behaviors or memories.
MS-LS1-8.2.1
Crosscutting Concept
Cause and effect relationships may be used to predict phenomena in natural systems.
Life Sciences, Lesson 3 Sensory Receptors Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-1
Performance Expectation
Analyze and interpret data to provide evidence for the effects of Life Sciences, Lesson 8 resource availability on organisms and populations of organisms in Changes in Ecosystems an ecosystem. Life Sciences, Lesson 11 Influences on Growth Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-1.4.1
Practice
Analyze and interpret data to provide evidence for phenomena.
Life Sciences, Lesson 8 Changes in Ecosystems Life Sciences, Lesson 11 Influences on Growth
MS-LS2-1.LS2.A.1
Organisms, and populations of organisms, are dependent on their Disciplinary Core environmental interactions both with other living things and with Idea nonliving factors.
5
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
MS-LS2-1.LS2.A.2
MS-LS2-1.LS2.A.3
NGSS Dimension
NGSS Description
In any ecosystem, organisms and populations with similar Disciplinary Core requirements for food, water, oxygen, or other resources may Idea compete with each other for limited resources, access to which consequently constrains their growth and reproduction.
Disciplinary Core Growth of organisms and population increases are limited by Idea access to resources.
3-D Science for the 21st Century Lessons
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems Life Sciences, Lesson 11 Influences on Growth Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-1.2.1
Crosscutting Concept
Cause and effect relationships may be used to predict phenomena in natural or designed systems.
Life Sciences, Lesson 8 Changes in Ecosystems Life Sciences, Lesson 11 Influences on Growth
MS-LS2-2
Performance Expectation
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-2.6.1
Practice
Construct an explanation that includes qualitative or quantitative relationships between variables that predict phenomena.
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
6
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS2-2.LS2.A.4
Similarly, predatory interactions may reduce the number of organisms or eliminate whole populations of organisms. Mutually beneficial interactions, in contrast, may become so interdependent Disciplinary Core that each organism requires the other for survival. Although the Idea species involved in these competitive, predatory, and mutually beneficial interactions vary across ecosystems, the patterns of interactions of organisms with their environments, both living and nonliving, are shared.
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-2.1.1
Crosscutting Concept
Patterns can be used to identify cause and effect relationships.
Life Sciences, Lesson 7 Patterns of Interaction in Ecosystems
MS-LS2-3
Performance Expectation
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
Life Sciences, Lesson 6 Cycles of Matter and the Flow of Energy
MS-LS2-3.2.1
Practice
Develop a model to describe phenomena.
Life Sciences, Lesson 6 Cycles of Matter and the Flow of Energy
MS-LS2-3.LS2.B.1
Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. Transfers of matter into and out of the physical environment occur at every level. Disciplinary Core Life Sciences, Lesson 6 Decomposers recycle nutrients from dead plant or animal matter Idea Cycles of Matter and the Flow of Energy back to the soil in terrestrial environments or to the water in aquatic environments. The atoms that make up the organisms in an ecosystem are cycled repeatedly between the living and nonliving parts of the ecosystem.
MS-LS2-3.5.1
Crosscutting Concept
The transfer of energy can be tracked as energy flows through a natural system.
7
Life Sciences, Lesson 6 Cycles of Matter and the Flow of Energy
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
Performance Expectation
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
Life Sciences, Lesson 8 Changes in Ecosystems
MS-LS2-4.7.1
Practice
Construct an oral and written argument supported by empirical evidence and scientific reasoning to support or refute an explanation or a model for a phenomenon or a solution to a problem.
Life Sciences, Lesson 8 Changes in Ecosystems
MS-LS2-4.LS2.C.1
Ecosystems are dynamic in nature; their characteristics can vary Disciplinary Core Life Sciences, Lesson 8 over time. Disruptions to any physical or biological component of an Idea Changes in Ecosystems ecosystem can lead to shifts in all its populations.
MS-LS2-4
MS-LS2-4.7.1
Crosscutting Concept
Small changes in one part of a system might cause large changes in another part.
MS-LS2-5
Performance Expectation
Evaluate competing design solutions for maintaining biodiversity and ecosystem services.
MS-LS2-5.7.2
Practice
Evaluate competing design solutions based on jointly developed and agreed-upon design criteria.
MS-LS2-5.LS2.C.2
Biodiversity describes the variety of species found in Earth’s Disciplinary Core terrestrial and oceanic ecosystems. The completeness or integrity Idea of an ecosystem’s biodiversity is often used as a measure of its health.
MS-LS2-5.LS4.D.1
Changes in biodiversity can influence humans’ resources, such as Disciplinary Core food, energy, and medicines, as well as ecosystem services that Idea humans rely on—for example, water purification and recycling.
MS-LS2-5.7.1
8
Life Sciences, Lesson 8 Changes in Ecosystems Life Sciences, Lesson 9 People and Ecosystems Life Sciences, Lesson 9 People and Ecosystems Life Sciences, Lesson 9 People and Ecosystems Life Sciences, Lesson 9 People and Ecosystems
Life Sciences, Lesson 9 People and Ecosystems
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
MS-LS2-5.ETS1.B.1
There are systematic processes for evaluating solutions with Disciplinary Core respect to how well they meet the criteria and constraints of a Idea problem.
MS-LS3-1
Performance Expectation
3-D Science for the 21st Century Lessons
Life Sciences, Lesson 9 People and Ecosystems
Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and Life Sciences, Lesson 12 may result in harmful, beneficial, or neutral effects to the structure Transmitting Genetic Information and function of the organism. Life Sciences, Lesson 12 Transmitting Genetic Information
MS-LS3-1.2.1 Practice
Develop and use a model to describe phenomena.
MS-LS3-2.2.1
Life Sciences, Lesson 13 Inheriting Traits
MS-LS3-1.LS3.A.1
Genes are located in the chromosomes of cells, with each chromosome pair containing two variants of each of many distinct genes. Each distinct gene chiefly controls the production of specific Disciplinary Core Life Sciences, Lesson 12 proteins, which in turn affects the traits of the individual. Changes Idea Transmitting Genetic Information (mutations) to genes can result in changes to proteins, which can affect the structures and functions of the organism and thereby change traits.
MS-LS3-1.LS3.B.2
In addition to variations that arise from sexual reproduction, genetic information can be altered because of mutations. Though rare, Disciplinary Core Life Sciences, Lesson 12 mutations may result in changes to the structure and function of Idea Transmitting Genetic Information proteins. Some changes are beneficial, others harmful, and some neutral to the organism.
9
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
MS-LS3-1.6.1
MS-LS3-2
MS-LS3-2.LS1.B.1
NGSS Dimension
NGSS Description
Crosscutting Concept
Complex and microscopic structures and systems can be visualized, modeled, and used to describe how their function depends on the shapes, composition, and relationships among its parts, therefore complex natural structures/systems can be analyzed to determine how they function.
Performance Expectation
Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.
Disciplinary Core Organisms reproduce, either sexually or asexually, and transfer Idea their genetic information to their offspring.
3-D Science for the 21st Century Lessons
Life Sciences, Lesson 12 Transmitting Genetic Information
Life Sciences, Lesson 12 Transmitting Genetic Information Life Sciences, Lesson 13 Inheriting Traits Life Sciences, Lesson 12 Transmitting Genetic Information Life Sciences, Lesson 13 Inheriting Traits
MS-LS3-2.LS3.A.2
Life Sciences, Lesson 12 Variations of inherited traits between parent and offspring arise from Transmitting Genetic Information Disciplinary Core genetic differences that result from the subset of chromosomes Idea (and therefore genes) inherited. Life Sciences, Lesson 13 Inheriting Traits
MS-LS3-2.LS3.B.1
In sexually reproducing organisms, each parent contributes half of the genes acquired (at random) by the offspring. Individuals have Disciplinary Core two of each chromosome and hence two alleles of each gene, one Idea acquired from each parent. These versions may be identical or may differ from each other.
10
Life Sciences, Lesson 12 Transmitting Genetic Information Life Sciences, Lesson 13 Inheriting Traits
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons Life Sciences, Lesson 12 Transmitting Genetic Information
Crosscutting Concept
Cause and effect relationships may be used to predict phenomena in natural systems.
MS-LS4-1
Performance Expectation
Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.
MS-LS4-1.4.2
Practice
Analyze and interpret data to determine similarities and differences Life Sciences, Lesson 14 in findings. Evidence for Change over Time
MS-LS4-1.LS4.A.1
The collection of fossils and their placement in chronological order (e.g., through the location of the sedimentary layers in which they Disciplinary Core Life Sciences, Lesson 14 are found or through radioactive dating) is known as the fossil Idea Evidence for Change over Time record. It documents the existence, diversity, extinction, and change of many life forms throughout the history of life on Earth.
MS-LS3-2.2.1
MS-LS4-1.1.2
Life Sciences, Lesson 13 Inheriting Traits Life Sciences, Lesson 14 Evidence for Change over Time
Crosscutting Concept
Graphs, charts, and images can be used to identify patterns in data.
MS-LS4-2
Performance Expectation
Apply scientific ideas to construct an explanation for the anatomical Life Sciences, Lesson 14 similarities and differences among modern organisms and between Evidence for Change over Time modern and fossil organisms to infer evolutionary relationships.
MS-LS4-2.6.1
Practice
Apply scientific ideas to construct an explanation for real-world phenomena, examples, or events.
MS-LS4-3.1.2
11
Life Sciences, Lesson 14 Evidence for Change over Time
Life Sciences, Lesson 14 Evidence for Change over Time
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
NGSS Description
3-D Science for the 21st Century Lessons
MS-LS4-2.LS4.A.2
Anatomical similarities and differences between various organisms Disciplinary Core living today and between them and organisms in the fossil record, Idea enable the reconstruction of evolutionary history and the inference of lines of evolutionary descent.
Life Sciences, Lesson 14 Evidence for Change over Time
MS-LS4-2.1.1
Crosscutting Concept
Patterns can be used to identify cause and effect relationships.
Life Sciences, Lesson 14 Evidence for Change over Time
MS-LS4-3
Performance Expectation
Analyze displays of pictorial data to compare patterns of similarities Life Sciences, Lesson 14 in the embryological development across multiple species to identify Evidence for Change over Time relationships not evident in the fully formed anatomy.
MS-LS4-3.4.1
Practice
Analyze displays of data to identify linear and nonlinear relationships.
MS-LS4-3.LS4.A.3
Comparison of the embryological development of different species Disciplinary Core also reveals similarities that show relationships not evident in the Idea fully-formed anatomy.
MS-LS4-4
MS-LS4-4.6.2
MS-LS4-4.LS4.B.1
Performance Expectation
Practice
Life Sciences, Lesson 14 Evidence for Change over Time Life Sciences, Lesson 14 Evidence for Change over Time
Life Sciences, Lesson 15 Construct an explanation based on evidence that describes how Natural and Artificial Selection genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment. Life Sciences, Lesson 16 Adaptation
Construct an explanation that includes qualitative or quantitative relationships between variables that describe phenomena.
Disciplinary Core Natural selection leads to the predominance of certain traits in a Idea population, and the suppression of others. 12
Life Sciences, Lesson 15 Natural and Artificial Selection Life Sciences, Lesson 16 Adaptation Life Sciences, Lesson 15 Natural and Artificial Selection
Next Generation Science Standards (NGSS) Correlation with Buckle Down Science for the 21st Century NGSS Code (with Grade Level)
NGSS Dimension
MS-LS4-4.2.1
NGSS Description
3-D Science for the 21st Century Lessons
Crosscutting Concept
Life Sciences, Lesson 15 Phenomena may have more than one cause, and some cause and Natural and Artificial Selection effect relationships in systems can only be described using probability. Life Sciences, Lesson 16 Adaptation
Performance Expectation
Gather and synthesize information about the technologies that have Life Sciences, Lesson 15 changed the way humans influence the inheritance of desired traits Natural and Artificial Selection in organisms.
MS-LS4-5.8.1
Practice
Gather, read, and synthesize information from multiple appropriate sources and assess the credibility, accuracy, and possible bias of each publication and methods used, and describe how they are supported or not supported by evidence.
MS-LS4-5.LS4.B.2
In artificial selection, humans have the capacity to influence certain Disciplinary Core characteristics of organisms by selective breeding. One can choose Life Sciences, Lesson 15 Idea desired parental traits determined by genes, which are then passed Natural and Artificial Selection on to offspring.
MS-LS4-6
Performance Expectation
Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
MS-LS4-6.5.1
Practice
Use mathematical representations to support scientific conclusions Life Sciences, Lesson 16 and design solutions. Adaptation
MS-LS4-6.LS4.C.1
Adaptation by natural selection acting over generations is one important process by which species change over time in response Disciplinary Core to changes in environmental conditions. Traits that support Idea successful survival and reproduction in the new environment become more common; those that do not become less common. Thus, the distribution of traits in a population changes.
MS-LS4-5.2.1 MS-LS4-6.2.1 MS-LS4-5
13
Life Sciences, Lesson 15 Natural and Artificial Selection
Life Sciences, Lesson 16 Adaptation
Life Sciences, Lesson 16 Adaptation
