Science chemical reactions

Question 1

Boiling point

Answer 1

The tempature when a liquid will begin to boil and turn into a vapor

Question 2

Melting point

Answer 2

The tempature when a solid will turn into a liquid by melting

Question 3

Property

Answer 3

Something that can be observed about a substance such as it’s color,smell and boiling point

Question 4

Scale

Answer 4

The relative sizoe of things

Question 5

Atoms

Answer 5

The tiny pieces that all matter-all the stuff in the world is made of

Question 6

SUbstance

Answer 6

something that is made of all the same atoms or groups of atoms

Question 7

Model

Answer 7

An object,diagram or computer program that helps us understand something by making it simiplier or easier to see

Question 8

Reactant

Answer 8

A starting substance that is part of a chemical reaction

Question 9

Product

Answer 9

An ending substance that is made during a chemical reaction

Question 10

Chemical reaction

Answer 10

a process in which atoms rerrange to form new substances

Question 11

Rearrange

Answer 11

to change the order or position