8.PS2: Motion and Stability: Forces and Interactions

8.PS2.1: Apply Newton’s Third Law to design a solution to a problem involving the motion of two colliding objects in a system.

Crumple Zones

8.PS2.2: Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object.

Crumple Zones
Fan Cart Physics
Force and Fan Carts
Free-Fall Laboratory

8.PS2.3: Ask questions about data to determine the factors that affect the strength of electric and magnetic forces.

Charge Launcher
Magnetic Induction
Pith Ball Lab

8.PS2.4: Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.

Gravitational Force
Gravity Pitch
Weight and Mass

8.PS2.5: Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact.

Charge Launcher
Coulomb Force (Static)
Electromagnetic Induction
Magnetic Induction
Magnetism
Pith Ball Lab

8.PS4: Waves and Their Applications in Technologies for Information Transfer

8.PS4.1: Use mathematical representations to describe patterns in a simple model for waves that includes how the amplitude of a wave is related to the energy in a wave.

Waves

8.LS1: From Molecules to Organisms: Structure and Processes

8.LS1.4: Use arguments based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.

Flower Pollination
Honeybee Hive

8.LS1.5: Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.

Fast Plants^® 1 - Growth and Genetics
Growing Plants
Inheritance
Measuring Trees
Seed Germination
Temperature and Sex Determination - Metric

8.LS3: Heredity: Inheritance and Variation of Traits

Evolution

8.LS3.1: Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.

Evolution: Mutation and Selection
Genetic Engineering
Human Karyotyping

8.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)

8.LS4: Biological Unity and Diversity

8.LS4.1: Analyze and interpret data to identify patterns within the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth.

Human Evolution - Skull Analysis

8.LS4.2: Apply scientific ideas to construct an explanation for the patterns of anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer ancestral relationships.

Cladograms
Embryo Development
Human Evolution - Skull Analysis

8.LS4.3: Analyze displays of pictorial data to compare patterns of similarities in the embryological development across multiple species to identify relationships not evident in the fully formed anatomy.

Embryo Development

8.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

8.LS4.5: Gather and synthesize information about the practices 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

8.LS4.6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Microevolution

8.ESS1: Earth’s Place in the Universe

8.ESS1.1: Develop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons.

2D Eclipse
3D Eclipse
Eclipse
Moonrise, Moonset, and Phases
Phases of the Moon
Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Summer and Winter

8.ESS1.2: Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.

Gravity Pitch
Solar System
Solar System Explorer

8.ESS1.3: Analyze and interpret data to determine scale properties of objects in the solar system.

Solar System
Solar System Explorer
Weight and Mass