Chemical Reactions

True or False: A chemical reaction is a process in which atoms of one or more substances rearrange to form one or more new substances

• True

• False

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

How can you detect that a chemical reaction has occurred?

• There has been a change in properties of the substance that has reacted.

• You cannot. Its impossible.

• There has been a change in energy of the substance that has reacted.

Tags

NGSS.MS-PS1-2

What are the four changes in properties that can occur during a chemical reaction?

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NGSS.MS-PS1-2

What are the three types of changes in energy that occur as a result of chemical reactions?

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NGSS.HS-PS1-4

NGSS.HS-PS3-1

Draw any type of chemical reaction you'd like.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-1

There are two types of substances - elements and _.

• electrons

• atoms

• compounds

During a chemical reaction, atoms (a)   and form new substances

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NGSS.MS-PS1-2

Define chemical bond

How does the rearrangement of atoms happen?

• When atoms move around

• When chemical bonds decide to dance and form new bonds to rearrange the atom

• When chemical bonds between atoms break and new bonds form

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical formulas represent (a)   .

Tags

NGSS.MS-PS1-1