The process in which water moves through the ground, evaporates from the Earth to the air, forms clouds, and falls back to Earth.

The change of a liquid to a gas because water was heated

The change of state from a gas to a liquid

Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail.

Precipitation that flows across the land's surface or falls into rivers and streams

Loss of water from a plant through its leaves

Living parts of an ecosystem

All of the non-living parts of an ecosystem.

Anything that has mass and takes up space

A change of matter from one form to another without a change in chemical properties. (Ex: cutting paper)

A change in which one or more substances are converted into different substances (Ex: a rusted bike)

Heat transfer by direct contact

The transfer of heat by the movement of a liquid or gas

Relating to heat

A material that allows heat and electricity to pass through it.

The transfer of energy by electromagnetic waves

the movement of energy from a warmer object to a cooler object

a material that keeps heat in

Bands of high-speed winds about 10 kilometers above Earth's surface-brings our weather

An instrument used to measure wind speed

An instrument used to measure precipitation.

Instrument used to measure wind direction

The measure of the force with which air molecules push on a surface

Wispy, feathery clouds made of ice crystals that form at high levels.

A measure of how hot or cold something is.

An instrument that measures atmospheric pressure

an imaginary line around the Earth parallel to the equator

Half of the earth

An instrument used to measure temperature

Clouds that form in flat layers and often cover much of the sky.

Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton.

A type of cumulus cloud that is tall and gray, and associated with thunderstorms.

A climate event in the eastern Pacific Ocean in which surface waters are colder than normal.

An unusually warm ocean current in the Pacific Ocean.

A force that pulls objects toward the Earth

A force that opposes the motion of objects that touch as they move past each other

The amount of matter in an object

A picture showing the relationships between two things

A push or pull exerted on an object

Movement

A change in speed or direction

Speed in a given direction

Speed______=Distance/Time

Consisting of many cells

Gives shape and support to the body; protects organs; produces red blood cells.

A muscular tube that connects the mouth to the stomach.

Living things made up of only one cell

The body system responsible for carrying materials through out the body;

See image

This system is primarily responsible for internal and external movement of the body;

See image

The body system the breaks down food and absorbs nutrients

The smallest unit of life

A structure consisting of several tissues adapted as a group to perform specific functions.

Groups of similar cells that perform a specific function in an organism

Any form of life

A large muscular sac that continues the mechanical and chemical digestion of food

Is responsible for re-absorption of some water

Digests food completely, turns most of the nutrients into blood

Smooth, cardiac, skeletal

Blood vessels that take oxygen to the body

What system? Nose, trachea, lungs

What system? Brain, spinal cord, nerves

A hollow, muscular organ that pumps blood throughout the body

Bring oxygen into the body and remove carbon dioxide and some water waste from the body

A tube in the throat in which carries air to the lungs (windpipe)

Acts as framework for the body, protects the internal organs, and stores the mineral calcium

Nerves that run up and down the length of the back and transmit most of the messages between the body and the brain

Control center of the nervous system

A fluid that circulates in the heart, arteries, capillaries, and veins

The body's primary organ of smell and also functions as part of the body's respiratory system

Where digestion begins

Get messages to other parts of the body

system that supports and protects the body

a system of the body that is made up of muscles and the tissues that attach them to bones

Blood vessels that carry blood back to the heart

traits that are passed from parents to their offspring

Children or young of a person, animal, or plant

A behavior that is learned from another organism

A group of organisms that produce offspring like themselves

A group of individuals of the same species that live in the same area

The study of heredity

Passing of traits from parents to offspring

Learned behaviors; Skills that you learn to do or develop during your life time

A characteristic that an organism can pass on to its offspring through its genes.

A change an organism undergoes in order to survive

relating to the land

relating to water

A habitat in which the fresh water of a river meets the salt water of the ocean.

A forest biome with many kinds of trees that loose their leaves each autumn

A biome characterized by high levels of precipitation and warm temperatures year-round.

Are the largest bodies of salt water between the continents; there are 4 oceans- cover 70% of the Earth.

A biome with tall grass, humid and very wet or short grass with a dry and hot summer and cold winters. Does not have many trees.

Bodies of water surrounded by land

Freshwater bodies smaller than lakes.

Microscopic organisms that live in aquatic environments.

A diagram that uses arrows to show the flow of food and energy from one organism to another in an ecosystem.

Shows the amount of energy that is available to pass from one level of the food chain to the next.

An organism that uses an outside energy source, such as the sun, and produces its own food.

An organism that cannot make its own food and gets energy by eating other organisms.

An organism that breaking down the remains of dead organisms or animal wastes - bacteria, fungi, moss, lichen, mushrooms.

The process by which plants use light energy from the sun to change carbon dioxide and water into sugar and oxygen.

All the different populations that live together in an area.

Animals that feed on the bodies of dead organisms.- vultures, buzzards.

An animal that eats only plants

An animal that eats only other animals.

An animal that eats both plant and animal products.

All the populations of organisms and the nonliving things in an environment, and the interaction among them.

One of the six major areas of the world that is home to specific plant and animal populations and is defined by its climate.

Animals that hunt other animals for food.

Animals that are hunted by predators

The specific environment where an organism lives.

A biome that is characterized by large evergreen forests, long and cold winters, and short summers.

Driest biome- least amount of rain.

An extremely cold, dry biome climate region characterized by short, cool summers and bitterly cold winters.

Of or having to do with life or living organisms.

Nonliving

The contest among organisms for the limited resources of an ecosystem.

The pattern of overlapping food chains in an ecosystem.