19-20 Classification of Matter

Are made from a combination of 2 or more elements...

• Molecules
• Pure Substances
• Compounds
• Elements

A _________________ is a substance made of 2 or more elements that are chemically combined in a set ratio. 

• compound
• element
• atom
• chemical bond

Tags

NGSS.MS-PS1-1

A _____________________ is made of 2 or more substances that are together in the same place, but their atoms are not chemically bonded. 

• chemical bond
• mixture
• molecule
• atom

Elements are represented by 1 or 2 letter symbols. 
True or False.

• True
• False

A ______________ mixture is when you can usually see the different parts and the can easily be separated. 

• heterogeneous 
• homogeneous

A _______________ mixture is when the parts of the mixture are evenly mixed and you can't see the different parts. 

• heterogenous mixture
• homogeneous mixture

An ______________ is a substance that cannot be broken down. 

• element
• molecule
• chemical bond

Tags

NGSS.MS-PS1-1

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

How is a solid defined?

• Indefinite shape and indefinite volume
• Definite shape and definite volume
• Found in the stars
• Definite volume, indefinite shape

How is a gas defined?

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape