Question

(9) The Canary-S is a self-contained unit powered by solar energy and a battery that transmits data using cellular technology. It can measure a variety of pollutants, including particulate matter, carbon monoxide, methane, sulfur dioxide, and volatile organic compounds, among others. The device is constantly taking measurements and sends a message up to a secure cloud every minute . . .

Marty's research question is, "How can Earth's technology be used in outer space?" He needs to develop his research with facts that are appropriate for an audience of 9th grade students. What fact from paragraph 9 is the best choice for meeting this goal?

A. Batteries can use cellular energy to transmit data.
B. The Canary-S is powered by cellular energy and solar power.
C. The Canary-S takes measurements that are sent off every minute.
D. Carbon monoxide, methane, and sulfur dioxide are all found on Earth.

Answer 1

The Canary-S is powered by cellular energy and solar power fact from paragraph 9 is the best choice for meeting this goal.

When light strikes a photovoltaic (PV) cell (also called a solar cell), the light can be reflected, absorbed, or passed directly through the cell. PV cells are composed of semiconductor materials. "Semi" means it can conduct electricity better than an insulator, but not as good as a metal.

A Canary-S solar cell is the smallest functional unit or component of a generator that uses solar energy as the input energy that can convert solar energy into electricity, and a solar panel is a solar cell that produces electrical energy directly from solar energy.

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