1.
Alloy: Metal made by heating, melting, and mixing two or more metals.
2.
Atomic number: Basis for arranging the elements on a periodic table.
3.
Boiling point: Liquid begins to vaporize.
4.
Colloid: Mixture of tiny particles of one material scattered throughout another material.
5.
Compound: Substance made by chemically combining two or more elements.
6.
Copper, iron, steel can be used as what?: Conductors
7.
Densities in order from bottom to top - 1.03, 1.30, .79, 1.00, 1.40, and .92.: 1.40, 1.30, 1.03, 1.00, .92, .79
8.
Density: Property that depends on mass and volume.
9.
Distillation: Separates components in a mixture based on differences in their boiling points.
10.
Distillation: Process used to separate the parts of a mixture by boiling and condensing.
11.
Electron: Negatively charged particle.
12.
Elements are ordered in this way.: Atomic Number
13.
Emulsion: Homogenous mixture of very small droplets suspended in a liquid.
14.
Freezing point: Temperature at which a liquid solidifies.
15.
Gas: No definite volume or shape.
16.
Liquid: No definite shape but definite volume.
17.
Mayonnaise is an emulsion.: True
18.
Metals melt at high temps.: True
19.
Neutron: Neutral particle in the nucleus of the atom.
20.
Number of atoms in water.: 2.
21.
Physical Change: Change from one state to another without a change in chemical composition.
22.
Physical Property: Characteristic that can be observed or measured without changing the identity of a substance.
23.
Plastic and rubber can be used as what?: Insulators
24.
Proton: Atomic number.
25.
Separating a mixture of water and salt: Evaporation
26.
Soap has a density of .80 can it float on water?: Yes
27.
Sodium and carbon make table salt: False
28.
Solid: Definite shape and definite volume.
29.
Solubility increased by what?: Heat
30.
Solution: Mixture made by dissolving on substance into another.
31.
Sublimation: Process in which a solid changes directly into a gas.
32.
Suspension example: Oil and vinegar
33.
The pressure of gas decreases at a constant when the temperature and volume increases.: True
34.
Two elements have the same density, how can you tell them apart?: Different properties - mass, volume, color, streak, hardness, ect.
35.
Vaporization: Process in which a liquid changes into a gas.
36.
Water expands when it freezes.: True
37.
What can happen to a ballon thats full into the hot weather?: It could inflate more or even pop.
38.
Where are elements located that have similar properties?: Same columns.
