8th science vocab

Question 1

The basic unit of a chemical element

Accepted Answer

atom

Question 2

energy transfer that DECREASES the kinetic energy of a substance particles

Accepted Answer

cooling?

Question 3

precipitate

Accepted Answer

an insoluble solid product of a reaction

Question 4

kinetic energy is energy in motion

Accepted Answer

True

Question 5

A solid has definite volume and shape

Accepted Answer

True

Question 6

a type of matter defined by a unique particle

Accepted Answer

substance

Question 7

A phase of matter that has no definite shape but has definite volume

Accepted Answer

Liquid

Question 8

the unit of energy that will raise the temp. of 1 gram of water 1 degree celcuis

Accepted Answer

calorie??

Question 9

the starting substance in a chemical reaction

Accepted Answer

reactant

Question 10

observable characteristics of substances. (size, shape, density, and phase)

Accepted Answer

physical properties?

Question 11

A compound in which atoms are connected to each other with a weak network of ionic bonds

Accepted Answer

Ionic compound.

Question 12

molecule is a grup of atoms bonded together

Accepted Answer

True

Question 13

common name is the name chemists use

Accepted Answer

False

Question 14

An attractive force between atoms

Accepted Answer

BOND?

Question 15

a solute goes into a solvent

Accepted Answer

False

Questions 15