7th Mod 9 Matter: Property and Changes

True/False: Shape is a chemical property.

• True
• False

True/False: The ability of a match to burn is an example of a chemical change.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A solid, yellow substance formed when Mr. Simon poured two colorless liquids together at room temperature. Which statement best explains why this demonstrates a chemical reaction.

• The color of the liquids changed to yellow.
• One of the liquids dissolved in the other liquid.
• One of the liquids changed from a liquid to a solid.
• The yellow substance is solid at room temperature.

Tags

NGSS.MS-PS1-2

True/False: Dropping Mentos mint candy into a carbonated cola drink is an example of a chemical reaction.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Endothermic chemical reactions break a chemical bond and _________.

• absorbs energy from the surroundings
• creates energy that did not previously exist
• releases energy into the surroundings
• uses up energy that then no longer exists

Tags

NGSS.MS-PS1-4

An exothermic reaction ________.

• absorbs thermal energy
• needs energy to be added constantly in order to continue
• needs more energy to break the chemcial bonds that is released when products form
• releases thermal energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A characteristic of matter that allows it to change to something new is a _______.

• chemical change
• chemical property
• physical change
• physical property

________ is a physical property.

• Density
• Flammability
• Combustiblity
• Oxidation

When a peeled banana turns black, it is a _______.

• change of state
• chemical change
• physical change
• thermal change

Tags

NGSS.MS-PS1-2

True/False: The ability to react with oxygen is a physical property.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5