What is a physical property?

• can be observed or measured without changing the composition of matter

• characteristic of a substance that may be observed when it participates in a chemical reaction

• flammability, toxicity, chemical stability, and heat of combustion

• a chemical reaction

What is a chemical property?

• characteristic of a substance that may be observed when it participates in a chemical reaction

• can be observed or measured without changing the composition of matter

• States of matter include liquid, solid, and gaseous states.

• odor, boiling point, ability to conduct heat, ability to conduct electricity, ability to dissolve in other substances

Which is an example of a physical change?

• A chemical going from solid to liquid

• Formation of bubbles when two chemicals are put together

• A piece of copper grows a coat of silver when put into a solution

• A substance catching fire

Which is an example of a chemical change?

• A chemical going form a liquid to a solid

• A chemical going from a solid to a gas

• Bending a piece of wire until it breaks

• The formation of bubbles when two chemicals are put together.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which state of matter has both a definite volume and definite shape?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter has a definite volume and no definite shape?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter has no definite volume and no definite shape?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter is made of high energy ions and electrons?

• Solid

• Liquid

• Gas

• Plasma

Which of the following does NOT describe a pure substance?

• has a fixed composition

• distinct properties

• contain only one type of matter

• each substance retains its own properties

Which two describes an element?

• Cannot be broken down into simpler substances

• Composed of only one type of atom

• Does not have same composition throughout

• Can be seperate by physical means