7th Grade Unit 2 Vocabulary Quiz

What is matter?

• A type of energy

• A force that moves objects

• Any substance that has mass and takes up space

• A form of light

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What is a property in the context of substances?

• A type of chemical reaction

• A particular characteristic of a substance

• A method of measuring temperature

• A unit of mass

Tags

NGSS.MS-PS1-2

What is a physical change?

• A change where a substance is altered but not transformed into a new substance

• A change where a substance is transformed into a new substance

• A change that involves a chemical reaction

• A change that cannot be reversed

Tags

NGSS.MS-PS1-4

What is a chemical change?

• A change that results in the formation of a new substance.

• A change that only affects the physical appearance of a substance.

• A change that involves the movement of electrons without forming new substances.

• A change that can be easily reversed by physical means.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a physical property?

• A characteristic that can be observed or measured without changing the composition of the substance.

• A characteristic that changes the composition of the substance.

• A property that cannot be observed or measured.

• A property that only exists in liquids.

Tags

NGSS.MS-PS1-4

What is a chemical property?

• A characteristic that can be observed without changing the substance

• A characteristic that can only be determined by changing the identity of a substance

• A property that is visible to the naked eye

• A property that remains constant regardless of conditions

What is an aqueous solution?

• A solution with alcohol as the solvent

• A solution with oil as the solvent

• A solution with water as the solvent

• A solution with vinegar as the solvent

What does the term "concentration" refer to in a solution?

• The amount of solvent in a solution

• The measurement of the amount of solute dissolved in a specific amount of solvent

• The temperature of the solution

• The color of the solution

What is the process of reducing the concentration of solute in a solution by adding more solvent called?

• Evaporation

• Filtration

• Dilution

• Distillation

What does the term "rate of dissolution" refer to?

• The amount of solute in a solution

• The length of time it takes for a solute to dissolve in a solution

• The temperature of a solution

• The volume of a solution