7-MS-PS1: Matter and Its Interactions

7-MS-PS1-2: Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

Chemical Changes

7-MS-PS1-4: Develop a model that predicts and describes changes in particle motion, temperature, and the state of a pure substance when thermal energy is added or removed.

Melting Points
Phase Changes
Phases of Water
Temperature and Particle Motion

7-MS-PS1-5: Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.

Balancing Chemical Equations
Chemical Changes
Chemical Equations

7-MS-PS3: Energy

7-MS-PS3-4: Plan an investigation to determine the relationships among the energy transferred, the type of matter, the mass, and the change in the average kinetic energy of the particles as measured by the temperature of the sample.

Calorimetry Lab
Energy Conversion in a System
Feel the Heat
Heat Transfer by Conduction
Phase Changes

7-MS-ESS2: Earth's Systems

7-MS-ESS2-4: Develop a model to describe the cycling of water through Earth’s systems driven by energy from the sun and the force of gravity.

Water Cycle

7-MS-ESS2-5: Collect data to provide evidence for how the motions and complex interactions of air masses results in changes in weather conditions.

Coastal Winds and Clouds - Metric
Hurricane Motion - Metric
Weather Maps - Metric

7-MS-ESS3: Earth and Human Activity

7-MS-ESS3-5: Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.

Carbon Cycle
Greenhouse Effect - Metric

7-MS-LS1: From Molecules to Organisms: Structures and Processes

7-MS-LS1-3: Use an argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.

Cell Types
Circulatory System
Digestive System
Senses

7-MS-LS1-6: Construct a scientific explanation based on evidence for the role of photosynthesis and cellular respiration in the cycling of matter and flow of energy into and out of organisms.

Cell Energy Cycle
Food Chain
Photosynthesis Lab
Plants and Snails
Pond Ecosystem

7-MS-LS1-7: 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.

Cell Energy Cycle
Dehydration Synthesis
Digestive System

7-MS-LS2: Ecosystems: Interactions, Energy, and Dynamics

7-MS-LS2-5: Undertake a design project that assists in maintaining diversity and ecosystem services.

GMOs and the Environment

7-MS-LS2-4: Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

Coral Reefs 1 - Abiotic Factors
Coral Reefs 2 - Biotic Factors
Food Chain
Forest Ecosystem
Pond Ecosystem
Prairie Ecosystem
Rabbit Population by Season
Rainfall and Bird Beaks - Metric

7-MS-LS3: Heredity: Inheritance and Variation of Traits

Evolution

7-MS-LS3-2: 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.

Chicken Genetics
Fast Plants^® 1 - Growth and Genetics
Fast Plants^® 2 - Mystery Parent
Inheritance
Mouse Genetics (One Trait)
Mouse Genetics (Two Traits)

7-MS-LS4: Biological Evolution: Unity and Diversity

7-MS-LS4-4: Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Microevolution
Natural Selection
Rainfall and Bird Beaks - Metric

7-MS-LS4-5: Gather, read, and synthesize information about technologies that have changed the way humans influence the inheritance of desired traits in organisms.

Evolution: Natural and Artificial Selection
GMOs and the Environment
Genetic Engineering