Vocabulary Feb 24 - Mar 7

CHEMICAL REACTION

A chemical change that occurs when two or more substances ______ to form a new substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

DENSITY

The amount of particles in a given amount of matter and how ______ packed together they are.

FREEZING

The process by which a ______ turns into a solid.

Tags

NGSS.MS-PS1-4

GAS

A _______ state of matter that has no fixed volume or shape.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

LIQUID

A fluid state of matter that has a fixed ______ but no fixed shape.

Match the vocabulary term to its definition.

• matter

• the amount of matter in an object, measured in kg

• molecule

• 2 or more atoms joined together/can be the same element or a combination of diefferent elements

• homogeneous mixture

• a mixture of 2 or more substances that appears as the same/a single uniform substance

• mass

• a mixture of 2 or more substances that remain as physically different/separate substances.

• heterogeneous mixture

• the substance everything is made of

​ (a)   is the process by which a material moves from a ​ (b)   to a ​ liquid while the melting ​ (c)   is the ​ (d)   at which a substance ​ (e)   from a solid into a liquid.

• Melting
• solid
• point
• temperature
• melts
• gas
• liquid
• melted
• pot
• Chemical Change

Tags

NGSS.MS-PS1-4

​ (a)   change to a ​ (b)   that ​ (c)   its physical properties but not its chemical structures. A property is a characteristic, ​ (d)   or ​ (e)   of something.

• Physical
• chemical
• affects
• trait
• quality
• substance
• effects
• smell
• quantity

Tags

NGSS.MS-PS1-2

A ​ (a)   substance is a substance that has a ​ (b)   ​ (c)   and arrangement and a SOlID state of matter has a ​ (d)   volume and ​ (e)  

• pure
• constant
• proportion
• fixed
• shape
• mixed
• negative
• amount
• no fixed
• size

Tags

NGSS.MS-PS1-4

Match the vocabulary term to its best definition

• the prefix hetero

• fixed volume

  no fixed shape

• liquid

• same

• solid

• fixed volume

  fixed shape

• gas

• different

• the prefix homo

• no fixed volume

  no fixed shape

Tags

NGSS.5-PS1-3