Chemical reactions

Reactants will have different _________________ than the products

• chemical reactions

• properties

• melting/boiling point, density, solubility

• mixing, heating, cooling

Tags

NGSS.MS-PS1-2

Products will have different properties than the ….

• reactants

• a chemical reaction has happened

• before and after

• properties

Tags

NGSS.MS-PS1-2

One or more substances form from one or more other substances during a..

• mixing, cooling, heating

• product

• reactant

• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Properties must be tested ________ and _________ to confirm that a chemical reaction has taken place

• before and after

• melting/boiling point during the reaction

• during data collected

Tags

NGSS.MS-PS1-2

What conditions will help cause a substance to undergo a chemical reaction

• density

• mixing, heating, cooling

• melting/boiling point

Tags

NGSS.MS-PS1-2

Striking a match on the box is an example of what type of condition?

• heating

• cooling

• mixing

Tags

NGSS.MS-PS1-4

Some chemical reactions happen as soon as two chemicals are …

• measured

• found

• mixed

• weighted

Tags

NGSS.MS-PS1-2

To confirm that a chemical reaction has taken place, scientists need to test ___________ before and after

• 15 minutes

• properties

• by tasing

Tags

NGSS.MS-PS1-2

If there is no change in the product then there was no …

• a chemical change has happened

• data collecting during

• chemical reaction

• reactant left over

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance that exists before a chemical reaction takes place and changes as a result of the reaction is called a

• reactant

• product

• chemical change

• chemical properties

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5