7th Grade Science Mid-Term Exam

What term is used to describe two or more atoms joined together?

• atom

• molecule

• product

• chemical reaction

Tags

NGSS.MS-PS1-1

A process that changes substances into new substances is called a

• physical property

• respiration

• chemical property

• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which describes a group of cells that work together to carry out a particular task in an organism?

• organ

• energy

• tissue

• cell

The backbone of the skeletal system is the

• vertebrae

• molecule

• tissues

• femur

The process by which plants and some other organisms use the energy in sunlight to make food is called

• cellular respiration

• chemical changes

• photosynthesis

• property

Cardiac muscle has characteristics of both (choose TWO)

• cartilage

• ligaments

• smooth muscle

• skeletal muscle

The three main functions the digestive system is used for is (CHOOSE THREE)

• absorption

• chemical reactions

• elimination

• digestion

Which body system is responsible for bringing oxygen into the body and releasing carbon dioxide?

• digestive

• circulatory

• respiratory

• nervous

Which of the following represents a molecule?

• Oc

• co

• Co

• CO

Tags

NGSS.MS-PS1-1

Which of the following is NOT a physical property of matter?

• acidity

• density

• color

• solubility