Improving the HVAC System

Perform data analysis on energy consumption to apply algebraic expressions to the real world. Learners will write and solve equations that answer various questions from residential power use. They will collect data at home and calculate...

Summarizes how a photovoltaic or PV system works to convert solar energy into electricity. Explains how to estimate what size of PV system is needed and what the cost would be, and provides a worksheet with formulas for calculating...

In the world of chemistry, efficiency is defined as: the work a system does, divided by the energy given to that system to complete the work. Sal illustrates this important chemistry concept by drawing a PV graph that shows a Carnot...

How does the 1973 oil crisis relate to winglets on airplane wings? Interested pupils view a video that explains why airplane wings have winglets. It turns out that the high cost of oil made more efficient wings a necessity.

In this energy, work and power worksheet, students solve 12 problems about circuits, electric motors, Ohm's Law and electric currents.

Let your heart rejoice! A unique video explains in detail how the heart works to transport blood throughout the human body. Use it during your human body unit, and then discuss the accompanying comprehension questions as a review of the...

Learn how the Carnot engine is the most efficient engine in this video lecture. The lecture begins with describing a heat engine and the steps of Carnot cycle. The video also explores how the engine would need to be frictionless and...

Students learn about how to improve efficiency by examining fast food restaurants. More specifically, they learn about the concepts of trade-offs, constraints, increasing efficiency and systems thinking. They consider how to improve the...

In this polyphase power systems worksheet, students answer 14 questions about three-phase power systems and single-phase power systems and how they work.

Let me get an angle on this! Investigate the orientation of a photovoltaic panel and its effect on efficiency. By using a light source, learners collect and plot current output to determine the ultimate orientation. The resource includes...