Science

Hampton School District

Competencies and Learning Targets for Grade 8 

Science


STRUCTURE AND PROPERTIES OF MATTER

▪ Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.

▪ Develop models to describe the atomic composition of simple molecules and extended structures.

▪ Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.

CHEMICAL REACTIONS

▪ Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

▪ 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.

▪ Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes.*

FORCES AND INTERACTIONS

▪ Apply Newton’s Third Law to design a solution to a problem involving the motion of two colliding objects.*

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

▪ 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.

ENERGY

▪ Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object.

▪ Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object.

▪ Develop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system.

▪ 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.


HISTORY OF EARTH

▪ Analyze and interpret data on the distribution of fossils and rocks, continental shapes, and seafloor structures to provide evidence of the past plate motions.

▪ Construct a scientific explanation based on evidence from rock strata for how the geologic time scale is used to organize Earth’s 4.6 billion-year-old history.

▪ Construct an explanation based on evidence for how geoscience processes have changed Earth’s surface at varying time and spatial scales.

EARTH'S SYSTEMS

▪ Develop a model to describe the cycling of Earth’s materials and the flow of energy that drives this process.


Hampton School District

Competencies and Learning Targets for Grade 8 

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