Vocab Story Exit 7th Grade Quiz 1

A Physical change is...

• a change in matter that doesn't change what that matter is.

• a change where the atoms are rearranged

• a change in matter that causes bubbles or melting.

• a change in matter that causes a new substance to be created.

Chemical Change

• a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances

• a change that causes melting, burning or ripping but does not change the material.

• melting, ripping or separating the material

• a change that does not result in a new material or different chemical composition.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A Mixture is...

• the result of combining two or more substances, such that each maintains its chemical identity.

• the result of two or more thing combining into a new substance.

• the result of many things joining together from melting or ripping that results in a new substance.

• the result of making a mess.

A Chemical is...

• a substance produced by or used in a chemical process.

• any element not on the periodic table.

• a substance not made of molecules, or atoms.

• a substance made of protons and electrons but not neutrons.

Tags

NGSS.MS-PS1-1

A Solution is...

• an even mixture of two substances

• the answer to a math problem.

• the result of solving a dispute between two people.

• the joining of two chemicals that produces a third chemical.