Chem Review 2/20

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

a chemical reaction that releases energy by light or heat

• Endothermic Reaction
• Exothermic Reaction
• Diffusion
• Fission

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat

• Endothermic Reaction
• Exothermic Reaction
• Diffusion
• Fission

Tags

NGSS.HS-PS1-4

Provides evidence that a chemical reaction has occurred. 

• dissolving 
• melting
• formation of a gas
• bending

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

A ______________ is a substance that increases the rate of a reaction without being used up during the reaction. 

• catalyst
• product
• reactant
• solute

Tags

NGSS.HS-PS1-5

You observe bubbles after adding metal to a solution. Do you assume a chemical reaction took place?

• Yes
• No

Tags

NGSS.HS-PS1-2

A solution is heated and bubbles form. Do you assume a chemical reaction took place?

• Yes
• No

Tags

NGSS.MS-PS1-2

Two clear and colorless solutions are combined within a test tube. The result is very cloudy. Do you assume a chemical reaction took place?

• Yes
• No

Tags

NGSS.MS-PS1-2

Two clear and colorless solutions are combined within a test tube. The resulting solution is purple. Do you assume a chemical reaction took place?

• Yes
• No

Tags

NGSS.MS-PS1-2