#SCIENCE Flashcards

1
Q

HYPOTHESIS

A

A testable prediction or explanation based on observations and prior knowledge.

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2
Q

DNA

A

Deoxyribonucleic acid, the molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.

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3
Q

ECOSYSTEM

A

A community of organisms interacting with each other and their physical environment.

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4
Q

CHEMICAL REACTION

A

A process that involves the rearrangement of the molecular or ionic structure of a substance, typically accompanied by the release or absorption of energy.

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5
Q

NEWTON’S LAW OF MOTION

A

hree fundamental principles describing the relationship between the motion of an object and the forces acting on it, formulated by Sir Isaac Newton.

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6
Q

PLATE TECTONICS

A

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.

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7
Q

PHOTOSYNTHESIS

A

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, carbon dioxide, and water.

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8
Q

ATOMIC STRUCTURE

A

The arrangement and behavior of atoms, including their nucleus (containing protons and neutrons) and electron shells.

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9
Q

CLIMATE CHANGE

A

Long-term changes in the average weather patterns and conditions on Earth, often attributed to human activities such as burning fossil fuels and deforestation.

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10
Q

BIOME

A

A large geographical area with distinctive plant and animal communities, determined by factors such as climate, soil type, and elevation.

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