Pure Substances and Mixtures

The building block of matter is

• Mixture
• Atom
• Element
• Substance

This is made up of one or more of kind of the SAME kind of atom

• Element
• Mixture
• Compound
• Matter

Tags

NGSS.MS-PS1-1

DIFFERENT kinds of atoms chemically combined to form a substance are

• Mixture
• Element
• Compound
• Substance

This contains a variety elements and compounds that ARE NOT chemically combined.

• Water
• Mixture

 A homogeneous mixture has the same composition of particles throughout.

• True
  True
• False

A ____________ mixture has different concentrations of particles throughout. 

• Homogeneous
• Heterogeneous
• Solid
• Liquid

Water is

• a pure substance
• a mixture

Tags

NGSS.MS-PS1-4

Ocean water is a __________ mixture

• Homogeneous
• Heterogeneous

Alex goes into the garden and digs up a shovel full of dirt.  This is a _____________ mixture.

• Homogeneous
• Heterogenous

Salt water is a mixture.

• True
• False