Chemical Reactions Amplify Review

Front

Can one substance change into another substance?

Back

Yes, because atoms can be rearranged.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Will the properties of two samples made of the same repeating groups of atoms be the same or different?

Back

The properties will be the same because the repeating groups of atoms that make up the two samples are the same.

Tags

NGSS.MS-PS1-1

Front

What is a molecule? Give an example.

Back

A molecule is a group of atoms bonded together. An example is H2O.

Tags

NGSS.MS-PS1-1

Front

What happens to the properties of substances when atoms are rearranged during a chemical reaction?

Back

The properties of the substances can change due to the rearrangement of atoms.

Tags

NGSS.MS-PS1-2

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

How can you determine if a chemical reaction has occurred?

Back

You can determine if a chemical reaction has occurred by observing changes in properties such as color, temperature, and state of matter.

Tags

NGSS.MS-PS1-2

Front

What is the significance of repeating groups of atoms in determining the properties of a substance?

Back

The repeating groups of atoms determine the physical and chemical properties of a substance.

Tags

NGSS.MS-PS1-1

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What role do temperature and melting point play in chemical reactions?

Back

Temperature and melting point can influence the rate of a chemical reaction and the state of the substances involved.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4