Non-living things

open to view; easy to understand; seeming to be true or real

a small rocky body orbiting the sun

the basic unit of a chemical element.

a theory that states that all matter is composed of tiny particles called atoms.

An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates

part of Earth in which life exists including land, water, and air or atmosphere

living things

the ability or tendency to float in water or air or some other fluid.

product of cellular respiration-- we breath out and plants take in

A consumer that eats only animals.

Basic unit of life

a trait that helps identify an organism

A change in matter that produces one or more new substances

process that changes one set of chemicals into another set of chemicals ( something new is formed)

a Green substance in plant cells that absorbs light energy and helps the plant preform photosynthesis

to organize into groups based on similar characteristics

A ball of frozen dust and rock that orbits the sun and has a tail that glows

the struggle between organisms to survive in a habitat with limited resources

The change of state from a gas to a liquid