Atmosphere
Which gas is the most abundant in Earth's atmosphere?
Nitrogen.
What is the most common type of renewable energy that uses sunlight to generate electricity?
Solar power.
Which reusable item can replace hundreds of single-use plastic bottles?
Reusable water bottles.
What is the term for a species that is at risk of extinction in the near future?
Endangered species.
What natural disaster is measured on the Richter scale?
Earthquake.
What layer of the Earth’s atmosphere contains the ozone layer?
Stratosphere.
What type of renewable energy is generated by the movement of water, typically through dams?
Hydropower (or hydroelectric energy)
What does “zero waste” mean?
A lifestyle or system that aims to send no trash to landfills.
What is the term for the seasonal movement of animals from one region to another, often for breeding or food?
Migration.
Which natural disaster occurs when intense heat causes the ground to crack and sometimes swallow up buildings or vehicles?
Sinkholes.
What gas in the atmosphere is most responsible for trapping heat and contributing to the greenhouse effect?
Carbon dioxide.
What is the term for the process of generating electricity from heat stored within the Earth?
Geothermal energy.
What does the recycling code, the number located inside the triangle on plastic containers, indicate?
The type of plastic.
What process allows water to cycle through the Earth, including evaporation, condensation, and precipitation?
The water cycle.
What is the primary cause of wildfires?
Dry conditions combined with human activity or lightning strikes
What is the name of the layer of the atmosphere where weather occurs?
Troposphere.
What type of fuel is considered a renewable energy source, but is made from agricultural products like corn and sugarcane?
Biofuel (like ethanol)
How many times can most types of paper be recycled?
5-7 times.
What type of ecosystem is home to trees that shed their leaves in the fall?
Deciduous forest.
Which volcanic eruption in 1980 in the U.S. caused massive destruction and was the most significant eruption in North America in modern times?
Mount St. Helens
What is the boundary between the Earth's atmosphere and outer space called?
Kármán line (about 100 kilometers above Earth's surface)
What term is used to describe a community that is powered entirely by renewable energy?
Energy independent or Net-zero energy community
What is the term for the harmful chemicals found in certain types of e-waste, such as circuit boards and batteries?
Heavy metals (e.g., lead, mercury, cadmium)
What natural phenomenon is responsible for creating the auroras or Northern and Southern Lights?
Solar wind interacting with the Earth's magnetosphere
When was the last time Yellowstone erupted?
70,000 years ago.