SSA Vocab. #6: Practice Set

Front

Meiosis

Back

The process of nuclear division in cells during which the number of chromosomes is reduced by half, producing a haploid cell.

Front

Molecule

Back

The smallest unit of matter of a substance that retains all the physical and chemical properties of that substance; consists of a group of atoms bonded together.

Front

Mass

Back

The amount of matter an object contains.

Front

Mid-Ocean Ridge

Back

A continuous seismic mountain range extending across the floor of the world’s major oceans; area where two oceanic plates are moving away from each other, releasing new crustal material.

Front

Mixture

Back

The product of a thorough blending of two or more substances, not chemically combined.

Front

Chromosome

Back

A thread-like structure made of DNA that contains genetic information.

Front

Atom

Back

The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

Seismic Waves

Back

Waves of energy that travel through the Earth, often as a result of earthquakes.

Front

Chemical Bond

Back

A lasting attraction between atoms that enables the formation of chemical compounds.

Front

Kinetic Energy

Back

The energy that an object possesses due to its motion.