People
This scientist formulated the laws of motion & gravity.
Who is Isaac Newton?
What is 1970?
The process by which plants convert sunlight into energy.
What is photosynthesis?
The process by which water cycles through the environment.
What is the water cycle?
The major source of lead contamination in the U.S. today.
What is drinking water?
The scientist that developed the theory of evolution by natural selection.
Who is Charles Darwin?
The year Rachel Carson published Silent Spring, a book that sparked environmental movements
What is 1962?
The scientific study of interactions between organisms and their environment.
What is ecology?
The main gas responsible for global warming
What is carbon dioxide?
The most common genetically modified crop in the U.S. by 2020.
What is corn?
This scientist is known for his work on the greenhouse effect.
Who is Svante Arrhenius?
The year the Montreal Protocol was signed to protect the ozone layer.
What is 1987?
The process by which species evolve due to environmental pressures.
What is natural selection?
The scientific method requires this step before forming a hypothesis.
What is observation?
The type of energy that is produced by splitting atomic nuclei.
What is nuclear energy?
This scientist developed the first model of the atom with orbiting electrons.
Who is Niels Bohr?
The year the first Earth Day was celebrated
What is 1970?
The term for organisms that make their own food using sunlight.
What are autotrophs?
The process by which fertile land becomes desert, often due to deforestation.
What is desertification?
The radioactive gas that seeps into homes and is a leading cause of lung cancer.
What is radon?
This person was a pioneer in radioactivity and won two Nobel Prizes.
Who is Marie Curie?
The year DNA’s double helix structure was discovered by Watson and Crick
What is 1953?
The type of symbiotic relationship where both organisms benefit.
What is mutualism?
The term for the rapid decrease in biodiversity due to human activity.
What is the sixth mass extinction?
The largest contributor to deforestation in the Amazon.
What is cattle ranching?