Unit 1 Matter Review

What are signs of a chemical change?

• the forming gas bubbles

• changes in color

• production of a smell

• all of these

Tags

NGSS.MS-PS1-2

The particles in a gas are

• tightly packed together

• close together, but they can move past each other

• very far apart

A physical property is

• a characteristic of matter that can be observed and measured without changing the material

• a characteristic of matter that can only be observed when there is a change in the type of matter

Tags

NGSS.MS-PS1-4

A _________ produces new matter with new and different properties

• physical change

• chemical property

• chemical change

• physical property

Tags

NGSS.MS-PS1-5

Reflectivity is

• the amount of space an object takes up

• a physical property that describes how energy, such as electricity or heat, can move through material

• a physical property that describes how light reflects off of an object

Tags

NGSS.MS-PS4-2

The amount of space an object takes up is its

• matter

• mass

• volume

• property

A boiled egg in its shell weighs _______________a raw egg in its shell

• more than

• the same as

• less than

What would happen to the weight of an ice cube if it melted?

• It would weigh a little more

• It would weigh a lot less

• It would weigh the same

• It would weigh a lot more

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a solution?

• A physical combination of two or more substances. An example would be a salad

• A heterogenous mixture in which the parts are so small that they do not settle out, like fog

• A homogenous mixture which is uniform throughout. An example would be sugar water

The ability of matter to dissolve in a liquid is called

• Solubility

• Conductivity

• Magnetism