Pennsylvania Science and Technology and Engineering Education — Grade 8


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3.1.8.A8

Change and Constancy Explain mechanisms organisms use to adapt to their environment.

3.1.8.A9

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.1.8.B6

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.1.8.C1

Explain how reproductive success coupled with advantageous traits over many generations contributes to natural selection.

3.1.8.C4

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.2.8.A1

Differentiate between mass and weight.

3.2.8.A2

Identify characteristics of elements derived from the periodic table.

3.2.8.A3

Explain how changes in matter are accompanied by changes in energy.

3.2.8.A4

Compare and contrast physical and chemical changes in terms of products.

3.2.8.A6

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.2.8.B1

Explain how inertia is a measure of an objects mass. Explain how momentum is related to the forces acting on an object.

3.2.8.B2

Identify situations where kinetic energy is transformed into potential energy, and vice versa.

3.2.8.B3

Explain how changes in temperature are accompanied by changes in kinetic energy.

3.2.8.B4

Compare and contrast atomic properties of conductors and insulators.

3.2.8.B6

Patterns Explain how physics principles underlie everyday phenomena and important technologies.

3.2.8.B7

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.3.8.A1

Distinguish between physical and chemical weathering. Compare and contrast the types of energy that drive Earths systems.

3.3.8.A2

Describe renewable and nonrenewable energy resources.

3.3.8.A3

Explain how matter on earth is conserved throughout the geological processes over time.

3.3.8.A4

Explain how the oceans form one interconnected circulation system powered by wind, tides, the Earths rotation, and water density differences.

3.3.8.A5

Explain how the curvature of the earth contributes to climate. Compare and contrast water vapor, clouds, and humidity.

3.3.8.A6

Changes Explain changes in earth systems in terms of energy transformation and transport. Models Explain how satellite images, models, and maps are used to identify Earths resources.

3.3.8.A7

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page 8)

3.3.8.B1

Explain how light, measured remotely, can be used to classify objects in the universe.

3.3.8.B2

Scale and Measurement Explain measurements and evidence indicating the age of the universe.

3.3.8.B3

See Science as Inquiry in the Introduction for grade level indicators. (As indicated on page8)

3.4.8.A1

Analyze the development of technology based on affordability or urgency.

3.4.8.A2

Explain how controls are steps that people perform using information about the system that causes systems to change.

3.4.8.A3

Compare how a product, system, or environment developed for one setting may be applied to another setting.

3.4.8.B1

Evaluate the societal implications of the management of waste produced by technology.

3.4.8.B2

Compare and contrast decisions to develop and use technologies as related to environmental and economic concerns.

3.4.8.B3

Explain how throughout history, new technologies have resulted from the demands, values, and interests of individuals, businesses, industries, and societies.

3.4.8.B4

Explain how societal and cultural priorities and values are reflected in technological devices.

3.4.8.C1

Evaluate the criteria and constraints of a design.

3.4.8.C2

Explore the design process as a collaborative endeavor in which each person in the group presents his or her ideas in an open forum.

3.4.8.C3

Analyze how a multidisciplinary (STEM) approach to problem solving will yield greater results.

3.4.8.D1

Test and evaluate the solutions for a design problem.

3.4.8.D2

Operate and maintain systems in order to achieve a given purpose.

3.4.8.D3

Interpret and evaluate the accuracy of the information obtained and determine its usefulness.

3.4.8.E1

Analyze what technologies are used in genetic engineering and predict how it may change the future of medicine.

3.4.8.E2

Describe how biotechnology applies the principles of biology to create commercial products or processes.

3.4.8.E3

Examine power systems are used to drive and provide propulsion to other technological products or systems.

3.4.8.E4

Describe how the design of the message is influenced by such factors as the intended audience, medium, purpose, and nature of the message.

3.4.8.E5

Describe how governmental regulations influence the design, operation and efficiency of transportation systems.

3.4.8.E6

Analyze the steps involved in the manufacturing process (e.g., design, development, production, marketing and servicing of products and systems).

3.4.8.E7

Analyze factors that determine structural design (e.g., building laws and codes, style, convenience, cost, climate, and function).