Science Vocabulary #'s 1-24 Worksheet

Front 1

Air current

Back 1

Stream of air having similar air mass characteristics

Front 2

Air mass

Back 2

A large body of air that had the same characteristics of moisture and temperature as the surface over which it formed

Front 3

Air pressure

Back 3

Pressure exerted by Earth's atmosphere

Front 4

Algae

Back 4

Ant of various chiefly aquatic organisms, ranging in size from single-celled forms to the giant kelp

Front 5

Alloy

Back 5

Homogeneous (similar) mixture or solid solution of 2 or more metals

Front 6

Altitude

Back 6

Distance above earth's surface

Front 7

Alveoli

Back 7

Tiny sacs in the lungs where the gases are exchanged

Front 8

Anaphase

Back 8

Stage of mitosis & meiosis in which the chromosones move to opposite ends of the nuclear spindle.

Front 9

Aristotle

Back 9

B.C. Greek philospher,author of works on logic, metaphysics, ethics, natural sciences, politcs, & poetics, he profoundly influenced Western thought

Front 10

Antibodies

Back 10

Substance profoduced by the body to fight disease

Front 11

Arteries

Back 11

A branching system of muscular, elastic tubes that carry blood away form the heart to the cells, tissues, & the organs of the body

Front 12

Asexual Reproduction

Back 12

form the reproduction requiring only one parent

Front 13

Asteroids

Back 13

Small planet like bodies formed in the universe; not big enough to become a planet.

Front 14

Asterolabe

Back 14

An instrument, now replaced by the sextant, that can be used to determine that altitude of the sun or other celestial bodies.

Front 15

Atmosphere

Back 15

Layers of gases that surrounded the Earth.