Unit 3 Test Corrections 2022

When the state of matter changes from liquid to gas the particles –

• Gain energy, spread out, and move faster

• Change to a new substance

• Lose energy, contract closer, and move slower

• Increase in number

Tags

NGSS.MS-PS1-4

Which is a physical property?

• a new substance is formed

• no new substance is formed

Tags

NGSS.MS-PS1-2

Which is a chemical property?

• a new substance is formed

• no new substance is formed

Tags

NGSS.MS-PS1-2

Changing liquid water into steam is an example of –

• Physical change

• Chemical change

• Identity change

• Bonding change

Tags

NGSS.MS-PS1-4

Which is made up of atoms that can only be changed to another substance with a nuclear reaction?

• molecule

• element

• compound

• mixture

Which is made up of 2 or more different atoms, can only be changed with chemical reaction

• molecule

• element

• compound

• mixture

Tags

NGSS.MS-PS1-5

Which is made up of 2 or more different substances, can be separated physically

• molecule

• element

• compound

• mixture

Which is one part of a compound that can only be separated with a chemical reaction

• molecule

• element

• compound

• mixture

Tags

NGSS.MS-PS1-5

A substance that cannot be broken down into any other substance by ordinary chemical means is called –

• A compound

• A mixture

• An element

• A molecule

What is an example of a compound?

• Oxygen

• Table Salt

• Salt Water

• Air

Tags

NGSS.MS-PS1-1