Key Term Check! Chapter 4

The ability of matter to change when heated is a _____________.

• Chemical

• Physical

Tags

NGSS.MS-PS1-4

A characteristic of matter that can be observed with your 5 senses.

• Chemical

• Physical

What is an alloy?

• A pure metal found in nature

• A mixture of metals or a metal and another element

• A compound made of metal and water

What does litmus paper test for in a substance?

• Electrical conductivity

• Acidity or alkalinity

• Boiling point

pH levels that indicated a strong acid

• 0-3

• 4-6

• 8-10

• 11-14

Tags

NGSS.MS-PS1-2

pH levels that indicated a weak acid

• 0-3

• 4-6

• 8-10

• 11-14

pH levels that indicated a neutral

• 0-3

• 4-6

• 7

• 11-14

pH levels that indicated a weak alkali

• 0-3

• 4-6

• 8-10

• 11-14

pH levels that indicated a strong alkali

• 0-3

• 4-6

• 8-10

• 11-14

What information does a universal indicator provide?

• The pH value of a substance

• The solubility of a substance

• The melting point of a substance