matter review

_________ are the basic units of matter that make up everything.

• molecules

• atoms

• pure substances

• legos

Tags

NGSS.MS-PS1-1

_____________ are made up of more than one atom bonded together. They can be very simple or very complex.

• molecules

• atoms

• pure substances

• legos

Tags

NGSS.MS-PS1-1

In a solid, the molecules

• are widely spaced, move quickly (high energy), no definite volume or shape.

• are closely spaced, vibrate in place, definite volume and definite shape.

• are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.

Tags

NGSS.MS-PS1-4

In a liquid, the molecules

• are widely spaced, move quickly (high energy), no definite volume or shape.

• are closely spaced, vibrate in place, definite volume and definite shape.

• are spread wider apart, in constant contact, medium amount of energy, have a definitevolume but no definite shape.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a gas, the molecules

• are widely spaced, move quickly (high energy), no definite volume or shape.

• are closely spaced, vibrate in place, definite volume and definite shape.

• are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In order for a solid to melt, or change into a liquid, thermal (heat) energy must ___________.

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When heat is added to molecules, the energy of the molecules in a substance

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

100 ml of castor oil weighs 96.9g. Does castor oil float in water?

• no

• it has neutral buoyancy

• yes

• it dissolves

When heat is added to substance, the density of the substance

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS1-4

When energy is added to molecules, the temperature of the molecules in a substance

• decreases

• increases

• stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4