ESL Types of Reactions

Chemical reactions are ________________!

• only in space

• only on Earth

• everywhere

A chemical reaction is when one or more substances are ___________________ into new substances.

• changed

• not changed

The substances that change are called _______________.

• products

• reactants

The new substances are called the _____________.

• reactants

• products

The arrow in the equation below means to "_______________."

• radioactivity

• produce

• precipitate

__________________________ says that the total mass of the reactants equals the total mass of the products.

• Conservation of Chemicals

• Conservation of Volume

• Conservation of Happiness

• Conservation of Mass

Tags

NGSS.MS-PS1-5

Check the answers that are evidence of chemical reactions.

• Color Change

• Heat absorbed or released

• Gas is released

• Precipitate forms

• None of these happen!

During a ___________________ reaction, a substance reacts with oxygen to produce energy (heat and light).

• single displacement

• double displacement

• combustion

• synthesis

During a ___________________ reaction, two or more substances synthesize (combine) to form a new substance.

• synthesis

• decomposition

• combustion

• single displacement

During a _________________ reaction, one substance decomposes (breaks down) to form two new substances.

• single displacement

• synthesis

• decomposition

• combustion