Chapter 9 Vocabulary Flashcards Preview

8th Grade Science > Chapter 9 Vocabulary > Flashcards

Flashcards in Chapter 9 Vocabulary Deck (16)
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1

Element

A substance that cannot be separated or broken down into simpler substances by chemical means.

2

Pure Substance

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.

3

Metal

An element that is shiny and that conducts heat and electricity well.

4

Nonmetal

An element that conducts heat and electricity poorly.

5

Metalloid

An element that has properties of both metals and nonmetals.

6

Compound

A substance made up of atoms of two or more different elements joined by chemical bonds.

7

Mixture

A combination of two or more substances that are not chemically combined.

8

Solution

A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase.

9

Solute

In a solution, the substance that dissolves in the solvent

10

Solvent

In a solution, the substance in which the solute dissolves.

11

Insoluble

Unable to dissolve in a substance.

12

Solubility

The ability of one substance to dissolve in another at a given temperature and pressure.

13

Concentration

The amount of a particular substance in a given quantity of a mixture, solution, or ore.

14

Magnet

Any material that attracts iron or materials containing iron.

15

Distillation

A process that separates a mixture based on the boiling points of the components.

16

Centrifuge

A machine that separates the different parts of blood.