#SCIENCE Flashcards
HYPOTHESIS
A testable prediction or explanation based on observations and prior knowledge.
DNA
Deoxyribonucleic acid, the molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.
ECOSYSTEM
A community of organisms interacting with each other and their physical environment.
CHEMICAL REACTION
A process that involves the rearrangement of the molecular or ionic structure of a substance, typically accompanied by the release or absorption of energy.
NEWTON’S LAW OF MOTION
hree fundamental principles describing the relationship between the motion of an object and the forces acting on it, formulated by Sir Isaac Newton.
PLATE TECTONICS
The theory that Earth’s outer shell is divided into several plates that glide over the mantle, causing continental drift, earthquakes, volcanoes, and the formation of mountains.
PHOTOSYNTHESIS
The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, carbon dioxide, and water.
ATOMIC STRUCTURE
The arrangement and behavior of atoms, including their nucleus (containing protons and neutrons) and electron shells.
CLIMATE CHANGE
Long-term changes in the average weather patterns and conditions on Earth, often attributed to human activities such as burning fossil fuels and deforestation.
BIOME
A large geographical area with distinctive plant and animal communities, determined by factors such as climate, soil type, and elevation.