Mrs. Vandenbos' Chemical Reaction 2nd Review

True or false? Chemical reactions are easily reversible

• True

• False

Tags

NGSS.HS-PS1-6

True or false: A change in state is a chemical reaction

• True - something melting would be an example of a chemical reaction

• False - a change in state is a physical change

Tags

NGSS.MS-PS1-2

In a word equation, the starting chemicals are called...

• reactants

• products

• ingredients

Tags

NGSS.MS-PS1-5

In this chemical reaction, which is the product/s?

Magnesium + Oxygen --> Magnesium oxide

• magnesium

• magnesium and oxygen

• magnesium oxide

• oxygen

Tags

NGSS.MS-PS1-2

Sometimes, compounds can be broken down into simpler substances. What type of reaction is this?

• combustion

• oxidation

• decomposition

• displacement

In a chemical reaction, the temperature is measured and it appears to increase. Is this an example of an exothermic or endothermic reaction?

• exothermic

• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A process in which one or more substances change to form one or more new substances with different chemical makeups.

• chemical reaction

• precipitate

• physical change

• law of conservation of mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A type of reaction that absorbs energy in the form of heat or light.

• Chemical reaction

• Exothermic reaction

• Endothermic reaction

• Precipitate

Tags

NGSS.HS-PS1-4

A type of reaction that releases energy through heat or light

• Chemical reaction

• Exothermic reaction

• Endothermic reaction

• Law of Conservation of Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

A substance that undergoes a chemical change

• Reactant

• Product

• Precipitate

• Chemical reaction