7/8 Science Mid Term

Anything that has mass and takes up space is called?

• An atom

• A substance

• matter

• energy

Is a single kind of matter that always has a specific makeup, or composition is called:

• An atom

• An element

• A substance

• A compound

A characteristic that can be observed without changing the matter into another type of matter is a:

• Chemical Property

• A chemical reaction

• Physical Property

• A dance

What is an atom?

• Basic unit from which all matter is made.

• Basic unit of a living organism.

• Two or more elements bonded together.

• Two or molecules not chemically bonded.

Tags

NGSS.MS-PS1-1

What is an element?

• Basic unit of structure for all nonliving things.

• Basic unit of structure for all living things.

• A substance made up of only one type of atom.

• A substance made up of two or more types of atoms.

What is a molecule?

• Basic unit of structure for all nonliving things.

• A group of similar atoms not chemically combined.

• Basic unit of structure for all living things.

• A group of two or more atoms held together by a chemical bond.

Tags

NGSS.MS-PS1-1

What is a mixture?

• A combination of two or more substances that are together in the same place and atoms are chemically combined.

• A group of the same element together.

• A combination of two or more substances that are together in the same place and atoms are NOT chemically combined.

• Elements just hanging around.

What is a mixture called that has parts that keep their own properties and are not chemically combined is called?

• Homogeneous

• Heterogeneous

What is a mixture called when it is difficult or impossible to see the different parts?

• Homogeneous

• Heterogeneous

A change in which one kind of matter changes into a different kind of matter with different properties is called a

• chemical change

• physical change

• change in matter

• change in substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5