Science Test Thursday Oct 10

Homeostasis

The ability of an organism to maintain stable internal conditions

Compound

A substance made of two or more different types of atoms chemically bonded together

Velocity

The speed of something in a given direction

Plate Tectonics

The theory explaining the movement of the Earths plates and its geology

Hydrosphere

All of the water found under and above the surface of the Earth

Genetics

The study of heredity and variation organisms

Molecule

Two or more atoms bonded

Reaction

The process where substances interact to form new substances

Acceleration

The rate of change of velocity of an object

Erosion

The process by which soil and rock are removed from one location and transported to another

Cell

The basic unit of life

Photosynthesis

The process by which plants convert sunlight into energy

Ecosystem

A community of living organisms and their environment interacting as a system

Atom

The smallest unit of a an element consisting of protons neutrons and electrons

pH

A measure of how acidic or basic a solution is

Force

A push or pull that can cause an object to accelerate

Energy

The capacity to do work or produce heat

Mass

The amount of matter in an object usually measured in grams or kilograms

Weathering

The breaking down of rocks and minerals over time

Climate

The long term average of weather patterns in a particular area