Question 1

Question

A)What was the primary benefit researchers gained when they began developing solar cells from polycrystalline silicon instead of monocrystalline silicon?(1 point)
Responses

Energy transformation was more efficient.
Energy transformation was more efficient.

The structure was thinner.
The structure was thinner.

The solar cells lasted longer.
The solar cells lasted longer.

Production was faster.
Production was faster.
Question 2
A)What did researchers observe about silicon that led them to start using it to develop solar cells?(1 point)
Responses

It melted at low temperatures.
It melted at low temperatures.

It became warm in sunlight.
It became warm in sunlight.

It conducted electricity.
It conducted electricity.

It was made of a single crystal.
It was made of a single crystal.
Question 3
A)Which two properties of a solar cell material would generally be most important to a business owner who wants to install rooftop solar cells on a building?(1 point)
Responses

crystal structure and efficiency
crystal structure and efficiency

flexible materials and low cost
flexible materials and low cost

production time and low cost
production time and low cost

low cost and efficiency
low cost and efficiency
Question 4
A)When compared to crystalline silicon, what is one of the primary benefits of using cadmium telluride in solar cells?(1 point)
Responses

It has a much lower cost.
It has a much lower cost.

It is a much safer material.
It is a much safer material.

It takes up much less space.
It takes up much less space.

It is much more efficient.
It is much more efficient.
Question 5
A)Which scientist primarily uses computer simulations to research solar cell technology?(1 point)
Responses

Klaus Jäger
Klaus Jäger

Mária Telkes
Mária Telkes

Matthew Portis
Matthew Portis

Renate Egan
Renate Egan

Answer 1

Here are the answers to your questions:

Question 1
A) What was the primary benefit researchers gained when they began developing solar cells from polycrystalline silicon instead of monocrystalline silicon?
Response: Production was faster.

Question 2
A) What did researchers observe about silicon that led them to start using it to develop solar cells?
Response: It conducted electricity.

Question 3
A) Which two properties of a solar cell material would generally be most important to a business owner who wants to install rooftop solar cells on a building?
Response: Low cost and efficiency.

Question 4
A) When compared to crystalline silicon, what is one of the primary benefits of using cadmium telluride in solar cells?
Response: It has a much lower cost.

Question 5
A) Which scientist primarily uses computer simulations to research solar cell technology?
Response: Klaus Jäger.

Please verify these responses as they align with your study materials or any specific curriculum guidelines you have.