Coach Book Lessons 1-2 (Pages 10-21)

Which is an example of a mixture?

• Water

• hydrogen gas

• a blueberry muffin

• a spoon made of the element silver

Which of the following is an example of a pure substance?

• a sample of oxygen gas

• a solution of sugar water

• a mixture of pasta and sauce

• an alloy of iron and carbon

Ammonia can be represented by the chemical formula NH₃. Which of the following best describes ammonia?

• an atom

• a compound

• an element

• a mixture

Tags

NGSS.MS-PS1-1

An unknown substance is a provided in science class. It consists of particles that are different colors and different sizes. The particles are unevenly distributed throughout the substance. This substance is __.

• an element

• a compound

• a homogeneous mixture

• a heterogeneous mixture

A diagram of a particle is shown. This particle is most likely __.

• an atom

• a molecule

• a homogeneous mixture

• a heterogeneous mixture

Tags

NGSS.MS-PS1-1

A substance that is made of two or more different elements that are chemically bonded together

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

A mixture in which substances are not distributed evenly throughout the mixture

• compound

• homogeneous mixture

• heterogeneous mixture

A special kind of homogeneous mixture in which one substance is completely dissolved in another substance

• heterogeneous mixture

• solution

• compound

• element

A substance in which another substance is dissolved

• solute

• solvent

• subscript

The substance that is dissolved

• solute

• solvent

• subscript