Before CE
Early Civilizations
Industrial Revolution
19th Century
1900s - present
100

The process that plants use to transform energy from the sun

What is photosynthesis?

100

The consequences of burning wood on a large scale in ancient Rome and China.

What are the first recorded environmental health problems / climate change?

100

The effects of excessive coal use in Industrial England.

What is bronchitis, pneumonia and heart failure / increased air pollution?

100

The energy transformation that occurs when operating a gas engine.

What is chemical potential energy to mechanical kinetic energy?

100

The consequences of producing hydrogen for fuel cells.

What is the addition of CO2 to the atmosphere?

200

The process that humans use to transform glucose into energy.

What is cellular respiration?

200

The chemical reaction that produces cement.

What is chemical potential energy to thermal energy?

200

The energy transformation that occurs in batteries

What is chemical potential energy to electrical potential energy?
200

The energy transformation that occurs in a hydroelectric dam (x -> y -> z).

What is gravitational potential energy to mechanical kinetic energy to electrical energy?

200

The detriments of radioactive isotopes in nuclear reactors.

What is the potential harm to human life?

300

The energy transformation that occurs when burning wood.

What is chemical potential energy to thermal and radiant energy?

300

The amount of global CO2 emissions from producing cement (estimation)

What is 5%?
300

The energy transformation that occurs in the combustion of coal (x -> y -> z).

What is chemical potential energy to thermal energy to mechanical kinetic energy?

300

The negative consequences of building a hydroelectric dam (name one).

What is flooding / displacing human populations / releasing methane?

300

The energy transformation in the ZEEP nuclear reactor (a -> b -> c).

What is nuclear energy to thermal energy to steam?