Vocabulary

Electrical energy is a form of energy resulting from the flow of what?

• Water

• Air

• Electric charge

• Heat

A conductor is:

• a material that allows the flow of electric charge

• a device that stores electrical energy

• a material that resists the flow of electric charge

• a device that converts electrical energy into mechanical energy

An insulator is:

• a material that allows the flow of electric current

• a material that resists the flow of electric current

• a device that generates electricity

• a conductor of heat

What is volume?

• A measure of the amount of space an object occupies

• A measure of the weight of an object

• A measure of the height of an object

• A measure of the temperature of an object

What is a mixture?

• A combination of two or more substances that are not chemically combined.

• A single substance with a fixed composition.

• A substance that cannot be separated into simpler substances.

• A chemical reaction between two elements.

What is a physical property?

• A characteristic of a substance that can be observed or measured without changing its identity

• A change that alters the chemical composition of a substance

• A process that involves the rearrangement of the molecular structure of a substance

• A property that is only observable during a chemical reaction

Tags

NGSS.MS-PS1-4

A solution is:

• a type of mixture where a solute is dissolved in a solvent

• a mathematical problem

• a type of solid

• a type of gas

The conservation of matter states that:

• Matter can be created or destroyed.

• Matter can change forms but cannot be created or destroyed.

• Matter is always conserved in open systems.

• Matter is not conserved in chemical reactions.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is force?

• A push or pull on an object

• A type of energy

• A measure of mass

• A unit of distance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is motion?

• A change in position of an object over time

• A type of energy

• A form of matter

• A state of rest

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1