Physical and Chemical changes

How do you know you have a chemical change? Chose all that apply.

• there is change on an atomic level

• a color change occurs

• a gas is produced

• the material conducts electricity

Tags

NGSS.MS-PS1-2

This will tell you that you have a chemical change

• the color of the substances

• a change of color with the substances

Tags

NGSS.MS-PS1-2

boyancy is

• ability of a liquid to flow and a chemical change

• the ability of something to float and a physical property

• the ability for something to float and a chemical property

Viscocity is

• the ability to flow and a chemical property

• the ability to flow and a physical property

• the ability to rust and a chemical property

pH is

• a chemical property measuring if something is acid or basic

• a physical property measuring if something is acid or basic

• a physical property measuring the temperature of something

Boiling popint, melting point and change of state are all

• physical properties

• chemical properties

• mixtures

Tags

NGSS.MS-PS1-4

Solubitlity is

• a reaction which changes the atomic structure of something

• the ability to dissolve in something and a chemical property

• the ability to dissove in something and a physical properety

Density, mass and volume are

• chemical properties

• physical properties

Conductivity is

• the ability for a substance to conduct electricity and a chemical property

• the ability for a substance to conduct electricity and a physical property

You are combining 2 reactants and you notice bubbles are produced.

• you are observing a chemical change

• you are observing a physical change

• you are observing absolutely nothing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5