6th Mid Term

What is an atom?

• A group of two or more bonded atoms

• The smallest unit of an element that retains its properties

• A state of matter

• A mixture of different substances

Which state of matter is characterized by a lack of fixed shape and volume?

• Solid

• Liquid

• Gas

• Plasma

Kinetic energy is defined as:

• Energy due to an object's motion

• Energy stored in an object

• Energy transferred as heat

• Energy associated with chemical reactions

Tags

NGSS.MS-PS3-1

What is a liquid?

• A state of matter with a definite shape

• A solid with a crystalline structure

• A mixture of substances

• A state of matter with a definite volume but no fixed shape

A molecule is:

• The smallest unit of an element

• A state of matter

• A type of mixture

• A group of two or more atoms bonded together

Tags

NGSS.MS-PS1-1

Which of the following describes a solid?

• Has no definite shape or volume

• Has a definite shape and volume

• Can flow and take the shape of its container

• Is a type of chemical compound

Tags

NGSS.MS-PS1-4

What are the states of matter?

• The temperature of a substance

• The arrangement of atoms

• The mass of an object

• The distinct forms that matter takes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Volume is defined as:

• The amount of matter in an object

• The arrangement of particles in a substance

• The amount of space occupied by a substance

• The weight of an object

A heterogeneous mixture is:

• Uniform throughout

• Not uniformly distributed with distinct phases

• A pure substance

• Always a solid

A homogeneous mixture is:

• A mixture with distinct layers

• A mixture with a fixed composition

• A solid with varying properties

• A mixture where components are uniformly distributed