Physical Science

Front

What is evidence of a chemical change?

Back

Evidence of a chemical change includes the release of gas, change in color, formation of a precipitate, or change in temperature.

Tags

NGSS.MS-PS1-2

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and definite volume.

Front

What indicates a chemical change?

Back

A chemical change is indicated by changes such as color change, gas production, or the formation of a new substance.

Tags

NGSS.MS-PS1-2

Front

Can chemical changes be reversed?

Back

No, chemical changes create new substances that cannot be separated back into their original parts.

Tags

NGSS.MS-PS1-2

Front

What is a mixture?

Back

A mixture is two or more pieces of matter that can be mixed together and easily separated.

Tags

NGSS.5-PS1-4

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between a mixture and a solution?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a solution is a homogeneous mixture where one substance is dissolved in another.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape and no definite volume.

Tags

NGSS.MS-PS1-4