Substances formed from atoms of two or more elements are called

• mixtures

• compounds

• colloids

• elements

A heterogeneous mixture in which visible particles settle is called a

• colloid

• solution

• suspension

• Tyndall effect

Freezing, boiling, and evaporation are all examples of _______.

• physical change

• chemical change

Tags

NGSS.MS-PS1-4

According to the ______________, matter is neither created nor destroyed during a chemical change.

• Tyndall effect

• law of conservation of mass

• law of mass

• chemical property law

Tags

NGSS.MS-PS1-5

A mixture in which different materials are easily identified is a _________.

• homogeneous mixture

• heterogeneous mixture

Compounds are made from the atoms of two or more ______.

• elements

• colloids

• substances

• solutions

Tags

NGSS.MS-PS1-1

Distillation is a process that can separate two liquids using _________.

• chemical change

• physical change

• Tyndall effect

• law of conservation of mass

Tags

NGSS.MS-PS1-4

Bending a copper wire is an example of what type of property?

• chemical

• physical

• conservation

• element

which of the following is an example of a chemical change?

• boiling

• evaporation

• burning

• melting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of substance is gelatin?

• colloid

• compound

• substance

• suspension