Chemical Science

What is matter?

• physical changes
• anything that takes up space
• chemical properties
• physical properties

Melting Ice

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Boiling Water

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the process by which a chemical change occurs?

• Conservation of Matter

• Physical Change

• Chemical reaction

• Condensation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What always happens during a chemical change?

• The material and its properties change

• The material dissolves

• The total mass of the material changes

• The material changes state from a solid to a liquid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the best definition of a chemical change?

• A change in the state of matter in which the form changes but the properties stay the same.

• A change in the state of matter in which the material changes into an entirely different material with properties that are different from the original material.

• A change in the state of matter in which the material is still the same just in a different form.

Tags

NGSS.MS-PS1-2

Which is not a sign that a chemical reaction has occurred.

• A change in mass

• bubbling

• production of an odor or smell

• change in color

Tags

NGSS.MS-PS1-2

What is a solid?

• Something that is hard and keeps it's shape

• Something that takes the shape of it's container

• Something that has moves freely and has no real shape

• Something that takes up space and has mass. It can be living or non-living.

What is a liquid?

• Something that is hard and keeps it's shape

• Something that takes up space and has mass. It can be living or non-living.

• Something that takes the shape of it's container.

• Something that moves freely and has no real shape

What is a gas?

• Something that takes up space and has mass. It can be living or non-living.

• Something that is hard and keeps it's shape.

• Something that takes the shape of it's container.

• Something that moves freely and has no real shape.