Energy flows

Type of Resource: Link

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Description

This activity introduces students to different forms of energy, energy transformations, energy storage, and the flow of energy through systems. Students learn that most energy can be traced back to nuclear fusion on the sun.

Construct an explanation using models or representations.

Apply scientific reasoning, theory, and/or models to link evidence to the claims to assess the extent to which the reasoning and data support the explanation or conclusion.

Communicate scientific and/or technical information (e.g. about a proposed object, tool, process, system) in writing and/or through oral presentations.

Communicate scientific and/or technical information or ideas (e.g. about phenomena and/or the process of development and the design and performance of a proposed process or system) in multiple formats (including orally, graphically, textually, and mathematically).

Although energy cannot be destroyed, it can be converted to less useful forms—for example, to thermal energy in the surrounding environment.

Within individual organisms, food moves through a series of chemical reactions in which it is broken down and rearranged to form new molecules, to support growth, or to release energy.

Changes of energy and matter in a system can be described in terms of energy and matter flows into, out of, and within that system.

Much of science deals with constructing explanations of how things change and how they remain stable.

Energy cannot be created or destroyed—it only moves between one place and another place, between objects and/or fields, or between systems.

The transfer of energy can be tracked as energy flows through a designed or natural system.

Energy may take different forms (e.g. energy in fields, thermal energy, energy of motion).

Within a natural or designed system, the transfer of energy drives the motion and/or cycling of matter.