Unit 1 review

Which state of matter has the highest kinetic energy?

• Plasma

• solid

• liquid

• water

Tags

NGSS.MS-PS3-4

Liquid particles are...

• tightly packed

• loosely bonded and flowing

• free to fly in all directions

• So hot that the electrons are removed from the

Tags

NGSS.MS-PS1-4

Gases have...

• A definite shape and volume

• No definite shape, but a definite volume

• A definite shape, but no definite volume

• No definite shape or volume

A mixture is prepared by adding ranch to lettuce. What was formed?

• Heterogeneous mixture

• Homogeneous mixture

• Compound

• Element

A solution that is uniform with no visible separation observed is known as a HOMOGENEOUS solution?

• True

• False

Which of the following defines the identity of an element? 

• Composed of two or more substances that are not chemically bonded together

• Composed of two or more different substances that are chemically bonded together

• Made up of only one kind of atom

Which would be considered a chemical change?

• MAGNETIZATION of iron

• BENDING of iron

• MELTING of iron

• Formation of a PRECIPITATE with Iron catalyst

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a physical change in matter? 

• Sodium metal exploding in water

• Boiling water

• Burning wood

• Production of a gas from mixing magnesium and acid

What is it called when a gas turns directly into a solid?

• Sublimation

• Condensation

• Evaporation

• Deposition

Tags

NGSS.MS-PS1-4

What kind of particle movement do solids have? 

• Particles move freely at high speeds

• Particles vibrate in place, but generally do not move

• Particles vibrate and slide past each other