Investigation 2 Density (Vocabulary)

molecules are close together and stay in a fixed position; has a definite shape

• solid

• liquid

• gas

molecules are loosely together and have no fixed shape

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

molecules are very far apart and move very quickly

• solid

• liquid

• gas

Tags

NGSS.MS-PS3-4

amount of space an object or substance takes up; liquids are in ml and solids in cubic centimeters

• mass

• volume

• density

a measure of the amount of matter in a substance (grams)

• volume

• mass

• density

how compact a substance or object may be (D=M/V)

• volume

• mass

• density

capable of being dissolved

• soluble

• insoluble

• miscible

incapable of being dissolved

• soluble

• insoluble

• miscible

usually a reversible change such as size and shape (ex: tearing paper)

• physical change

• chemical change

• pure substance

usually irreversible chemical reaction; usually a formation of at least one new substance (ex: burning paper)

• physical change

• chemical change

• pure substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5