Populations & Resources
What is a population?
A group of the same species living in one area
What are reactants?
Substances that start a chemical reaction
What is force?
A push or pull
What is magma?
Molten rock below Earth’s surface
What is kinetic energy?
Energy of motion
What is overpopulation?
When resources run out due to too many organisms
What are products?
Substances formed after a chemical reaction
What is gravity?
The force that pulls objects toward Earth
What is weathering?
The breaking down of rock over time
What is photosynthesis?
Process plants use to make food
What is carrying capacity?
The maximum number of organisms an environment can support
What is the Law of Conservation of Mass?
The law that states matter cannot be created or destroyed
What is friction?
Resistance when two surfaces rub together
What is erosion?
Movement of rock by wind, water, or ice
What is a cell?
The smallest unit of life
What is mutualism?
A relationship where both species benefit
What is evidence of a chemical reaction?
A sign of a chemical reaction (gas bubbles, color change, etc.)
What is inertia?
An object at rest stays at rest (Newton’s Law)
What is a plate boundary?
Where two tectonic plates meet
What is evaporation?
Change from liquid to gas
What is a limiting factor?
A factor like food, water, or shelter that limits population growth
What is an exothermic reaction
A reaction that releases energy?
F=ma
Force = mass × acceleration
What is a convergent boundary?
The type of boundary that forms mountains like the Himalayas
What is the nervous system?
The system that controls the body