Science Test 11/21

Matter

Anything that takes up space

Property

A characteristic or distinctive feature of something

Substance

Pure and have all particles be the same

Mixture

Made of 2 or more substances that are NOT chemically combined

Elements

When all atoms (protons) are exactly the same

Examples of compounds

NaCl (table salt) H2O (Water) Fe2O3 (Rust)

Example of elements

Hydrogen, Oxygen, Iron

Homogeneous (Aka solution)

The same throughout, doesn’t scatter light, never settles (usually) transparent.

Solvent

Something that dissolves something else

Universal Solvent

Water

Solute

The thing that is dissolved

Heterogeneous

Materials that are spread out unevenly

Colloid

Combinations of 2 states of matter, never settles, scatters light.

Examples of colloid

Jello, Mayonnaise

Suspension

Particles settle out, scatters light.

Examples of suspension

Muddy sand water, vinaigrette salad, confetti.

Atoms

The smallest part of an ELEMENT

Molecule

The smallest part of a COMPOUND (with it still being a compound)

Particle

Atoms or Molecules

Indivisible in Greek

Atom

Colloid

Fog

Solution

Air

Solution

Tap Water

Compound

Distilled Water

Solution

Salt Water

Mostly solution (some are colloid)

Paint

Colloid

Butter

Element

Copper

Element

Gold

Element

Lithium

Element

Aluminum

Compound

Baking Soda

Compound

Bleach

Compound

Vinegar

Solution

Rubbing Alcohol

Solution

Coffee

Solution

Soda

Colloid

Whipped Cream

Colloid

Butter

Colloid

Toothpaste

Suspension

Flour Mixed In Water

Suspension

Dust Particles in Air

Suspension

Hot CoCoa

No

Do solutions scatter light?

Yes

Do colloids scatter light?

Yes

Do suspensions scatter light?