Chemical Reactions 1.5

Substances have different ___________ because they are made of different groups of ___________.

• properties, molecules

• atoms, properties

• properties, atoms

• molecules, properties

Tags

NGSS.MS-PS1-1

Will the properties of the two samples likely be the same or different?

• The same because the repeating groups of atoms that make up the two samples have two of the same types of atoms.

• The same because both samples have the same number of atoms.

• Different because the repeating groups of atoms that make up each sample are different.

• Different because there are more repeating groups of atoms in Sample 2.

Tags

NGSS.MS-PS1-1

Will the properties of the two samples likely be the same or different?

• Different because the repeating groups of atoms that make up each sample are different.

• Different because there are more repeating groups of atoms in Sample 1.

• The same because the repeating groups of atoms that make up the two samples have the same number of atoms.

• The same because the repeating groups of atoms that make up the two samples have two of the same types of atoms.

Tags

NGSS.MS-PS1-1

Which statement is true about the diagram above?

• The samples all have the same properties.

• The samples all have different properties.

• Sample 1 and 3 have the same properties.

• Sample 2 and 3 have the same properties.

Tags

NGSS.MS-PS1-1

Will the properties of the two samples likely be the same or different?

• Different because the repeating groups of atoms that make up each sample are different.

• Different because there are more repeating groups of atoms in Sample 1.

• The same because the repeating groups of atoms that make up the two samples have the same number of atoms.

• The same because the repeating groups of atoms that make up the two samples have two of the same types of atoms.

Tags

NGSS.MS-PS1-1

What is something that is made of all the same atoms or groups of atoms?

• Substance

• Molecule

• Reactant

• Property

Tags

NGSS.MS-PS1-1

What are the tiny pieces that all matter—all the stuff in the world—is made of?

• molecules

• substances

• reactants

• atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Different _____?_____ have different properties.

• boiling points

• melting points

• molecules

• substances

Tags

NGSS.MS-PS1-2

The process by which one or more substances change to produce one or more different substances

• Chemical Process

• Reactant

• Chemical Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Something that can be observed about a substance, such as color, smell, or boiling point

• property

• reactant

• molecule

Tags

NGSS.MS-PS1-2