Molecules made up of atoms of two or more elements
What are compounds?
The energy of a moving object
What is kinetic energy?
Stars begin to form here
What is a nebula?
A cell's genetic material is located here
What is the nucleus?
These outcompete native species and reduce diversity
What is an invasive species?
Elements that are gases, liquids, or dull, crumbly solids that do not conduct electricity
What are nonmetals?
This is what we say when there is no net push or pull on an object in any direction
What is an unbalanced force?
Warm air rises and cooler air (wind) rushes in to take its place
What is convection?
These structures make up organs
The process whereby organisms in a community change over time
What is ecological succession?
This tells us the number of protons and neutrons in an atom
This distinguishes velocity from speed
What is speed in a certain direction?
A spring tide
An unusually extreme tide caused by the Earth, the Sun, and the moon all being lined up
This process breaks down sugars to provide energy for a cell's activities
What is cellular respiration?
This type of organism goes on the bottom of an energy pyramid
What is a producer?
The group to which an element belongs on the periodic table tells us this
What is a group?
This is the mathematical statement of Newton's Second Law
What is F = ma?
Mid-ocean ridges or rift valleys may form here
What is a divergent boundary?
The process in which genetic traits that help organisms survive and reproduce become more common in a population over time
What is natural selection?
A living thing on which organisms depend
What is a biotic factor?
This is the statement of the law of conservation of mass
What states that matter cannot be created or destroyed?
This is what the slope of a line on a distance-time graph represents
What is speed?
This tells us the altitude difference between the lines on a topographic map
What is a contour interval?
These six categories for organisms are the broadest grouping after domains
What are kingdoms?
This decreases at each step up on a food chain
What is available energy?