PS Midterm Review

What is a mixture?

• elements chemically combined
• a combination of different things
• it is found on the Periodic Table 
• it is made of chemical

What does it mean if a mixture is heterogeneous?

• you can see the different parts
• cannot tell one part from another
• very well blended
• made of elements

What does it mean if a mixture is homogeneous?

• you can see the different parts
• cannot tell one part from another
• chunks of particles
• made of elements

What type of mixture is this?

• heterogeneous 
• homogeneous

What type of mixture is this?

• heterogeneous 
• homogeneous

Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?

• A solution
• A colloid
• A suspension
• A compound

Two classifications of a pure substance are

• homogeneous and heterogeneous
• atoms and elements
• elements and compounds
• solutions and colloids

A substance that is made up of only one kind of atom is a(an)

• compound
• homogeneous mixture
• element
• solution

Tags

NGSS.MS-PS1-1

Is NaCl an element or a compound?

• Element

• Compound

Tags

NGSS.MS-PS1-1

What is happening at point B is heat is leaving the matter?

• melting

• freezing

• evaporating

• condensing

Tags

NGSS.MS-PS1-4