Lesson 17 Spelling (Grade 7)

Front 1

Nucleus

Back 1

1. A central or essential part around which other parts are grouped.
2. A complex, usually round structure contained within a living cell, controlling the metabolism, growth, reproduction, and hereditary of the cell.

Front 2

Nuclei

Back 2

Plural
1. A central or essential part around which other parts are grouped.
2. A complex, usually round structure contained within a living cell, controlling the metabolism, growth, reproduction, and hereditary of the cell.

Front 3

Bacterium

Back 3

Very small one-celled organism often considered to be plants, although they usually lack green coloring.

Front 4

Bacteria

Back 4

Plural
The less frequently used singular is bacterium.

Front 5

Analysis

Back 5

The process of separating a subject into its parts and studying them so as to determine its nature.

Front 6

Analyses

Back 6

Plural
The process of separating a subject into its parts and studying them so as to determine its nature.

Front 7

Diagnosis

Back 7

1. The act or process of examining in order to identify or determine the nature of a disease or malfunction.
2. The conclusion reached as a result of such an examination.

Front 8

Diagnoses

Back 8

Plural
1. The act or process of examining in order to identify or determine the nature of a disease or malfunction.
2. The conclusion reached as a result of such an examination.

Front 9

Criterion

Back 9

A rule or standard on which a judgment can be based.

Front 10

Criteria

Back 10

Plural
A rule or standard on which a judgment can be based.

Front 11

Datum

Back 11

Information, especially when it is to be analyzed or used as the basis for a decision.

Front 12

Data

Back 12

Plural
The less frequently used singular is datum.

Front 13

Thesis

Back 13

Something stated or put forth for consideration, especially by a person who plans to maintain it by argument.

Front 14

Theses

Back 14

Plural
Something stated or put forth for consideration, especially by a person who plans to maintain it by argument.

Front 15

Fungus

Back 15

Any of a group of plants, such as a mushroom, mold, yeast, or mildew, that have no green coloring and that obtain their nourishment from living or dead plant or animal substances.

Front 16

Fungi

Back 16

A plural of fungus.

Front 17

Oasis

Back 17

A fertile spoy or area in a desert, watered by a spring, stream, or well.

Front 18

Oases

Back 18

Plural
A fertile spoy or area in a desert, watered by a spring, stream, or well.

Front 19

Cactus

Back 19

One of many kinds of plants that have thick, leafless, often spiny stems and that grow in hot, dry places.

Front 20

Cacti

Back 20

Plural
One of many kinds of plants that have thick, leafless, often spiny stems and that grow in hot, dry places.

Front 21

Phenomenon

Back 21

1. Any occurrenceor fact that can be perceived by the senses.
2. Someone or something that is unusual or noteworthy.

Front 22

Phenomena

Back 22

A plural of phenomenon.

Front 23

Curriculum

Back 23

All the courses of study offered at a particular educational institution.

Front 24

Curricula

Back 24

Plural
All the courses of study offered at a particular educational institution.