FOSS Chemical Interactions - Final Review FULL VERSION

Which of these is NOT evidence of a chemical reaction?

• color change
• a new substance
• melting
• temperature change

Tags

NGSS.MS-PS1-2

What is a compound?

• a substance without any elements
• a substance with only one element
• a substance with two elements
• a substance with two or more different elements

Tags

NGSS.MS-PS1-1

When a substance dissolves, what is the result?

• a new solution
• a suspended mixture
• a new element
• a colloid

What is a mixture?

• a substance added to itself (ex- water +water)
• 2 or more things added together
• A substance that cannot be separated into its individual parts
• 2 or more different elements added together

Which is NOT an example of a compound?

• NaCl
• C₆H₈O₇
• O₂
• NAcI

Tags

NGSS.MS-PS1-1

When something melts, what is left?

• A liquid of a different solution
• A solid that has new particles
• A liquid form of the same substance
• A mixture that contains both solid and liquids

Tags

NGSS.MS-PS1-4

In equilibrium, what is true about the kinetic energy of particles?

• The energy transfer is equal between particles
• There is no energy transfer
• Energy flows from the hot substance to the cold substance
• Substances have no kinetic energy in equilibrium

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

When a substance dissolves...

• Its particles remain bonded in solid form
• Its particles break away from the solid
• Its particles turn into a liquid form
• There is no way to separate the solution

Tags

NGSS.MS-PS1-2

Which does NOT happen to air particles when they're heated?

• They move faster
• They hit each other more
• They get farther apart
• They lose kinetic energy and get closer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A process in which starting substances change into different substances is a(n)...

• arthropod
• chemical reaction
• mixture
• solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5