Physical and Chemical Changes

Which characteristics are chemical characteristics?

• flammability

• melting point

• reactivity

• boiling point

• ability to rust

Tags

NGSS.MS-PS1-1

Which characteristics are physical characteristics?

• melting point

• solubility

• combustibility

• boiling point

What is the abbreviated way to show a chemical reaction?

• A chemical symbol

• A chemical formula

• A chemical equation

Matter can go through changes. What are these changes called?

• positive and negative changes

• acidic and basic changes

• physical and chemical changes

Tags

NGSS.MS-PS1-4

What happens to the atoms of matter during a chemical change?

• The bonds break and atoms rearrange themselves to form new compounds.

• The atoms don't change.

• Some of the atoms disappear.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Two 6th Grade students mixed two substances together in a container covered with a balloon. After the mixing the balloon inflated. What sign is present that chemical reaction has happened?

• A precipitate formed.

• The color changed.

• A gas was produced.

Tags

NGSS.MS-PS1-2

Matter can be classified by characteristics. In science, what do we call these characteristics?

• acidic and basic properties

• physical and chemical properties

• dependent and independent properties

Which characteristics are chemical characteristics? (Select 4 Answers.)

• flammability

• reactivity

• combustibility

• ability to rust

• melting point

Which characteristics are physical characteristics? (Select 4 Answers.)

• melting point

• solubility

• odor

• boiling point

• flammability

What is the difference between a physical and chemical change?

• Physical Changes create a new substance.

• Chemical Changes create a new substance.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4