The force of air molecules pushing on an area

An istrument thT measures air pressure

The process by which a gas changes into a liquid

The temperature at which air with a given amount of water vapor will reach saturation

The process by which liquid changes into gas

Push or pull; Something that changes the motion of an object

A respiratory organ that filters oxygen dissolved in water

The amount of water vapor in air

A simple machine that has a slopping surface

A wind that flows in the upper tropshere from west to east

1 of 6 large groupings of living things that have common characteristics

A that rotates, or turns, around a fixed point

Any device that makes work easier

It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second

A living thing made up of one or many cells

An animal that another animal hunts or eats

Energy that travels across distances in the form of electromagnetic waves

A basic machines on which all other mechanical machines are based

A device for measuring temperature

Radiation of higher freqencies than visible light

An amount of 3-dimensional space

The condition of Earths atmosphere at a perticular time and place

the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.

the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates

an African wild horse with black-and-white stripes and an erect mane