Earthly Basics
These vast bodies of water cover approximately 70% of Earth’s crust and are all connected.
What are oceans?
In a scientific experiment, this variable is the factor being altered by the researcher and is plotted on the x-axis.
What is the independent variable?
This layer of the atmosphere is known as the "weather zone" because it is where clouds and storms form.
What is the troposphere?
This statistical tool uses the capture-mark-recapture technique to estimate the size of a mobile population.
What is the Lincoln Index?
This percentage represents the amount of Earth's total water supply that is found in oceans and seas as salt water.
What is 97.5%?
This type of sampling is used when there is a gradual change across a habitat, such as from a forest edge to its center.
What is a belt transect (or systematic sampling)?
This specific temperature marks the point at which water vapor in the air begins to condense into liquid droplets.
What is the dew point?
This term refers to numerical data, such as measurements of rainfall or temperature, that can be analyzed using statistics.
What is quantitative data?
This reservoir contains approximately 68.7% of Earth's total freshwater supply.
What are ice sheets and glaciers?