Matter

Which describes a property of all elements?

• All elements are metals.

• All elements have six electrons.

• All elements exist in the solid phase.

• All elements are pure substances.

Aluminum is an element. Which of the following best describes the smallest particle of aluminum that retains all the properties of aluminum?

• a molecule

• a proton

• an atom

• an electron

A student put 200 milliliters (mL) of water into a pot, sets the pot on a burner, and heats the water to boil. When the pot is taken off the burner, it contains only 180 milliliters (mL) of water. What happened to the rest of the water?

• It condensed.

• It turned into water vapor.

• It was absorbed by the heat.

• It was used up.

Tags

NGSS.MS-PS1-4

The ice cubes in a freezer are melting. Which change most likely is causing the ice cubes to melt?

• a decrease in the mass of the ice cubes

• an increase in the mass of the ice cubes

• an increase in the temperature inside the freezer

• a decrease in the temperature inside the freezer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Appearance, texture, and density are classified as

• physical properties

• chemical properties

• magnetic properties.

• thermal properties

Define Atom

• a unit of matter, the smallest unit of an element that has all the characteristics of that element

• describes forces acting on an object that cancel each other

• smallest, basic unit of structure and function in a living thing; building block of life.

• process in which particles of a liquid change to gas, travel to the surface of the liquid and then into the air.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Matter is anything that has ___________ and takes up _____________.

• weight and mass

• weight and space

• mass and space

• volume and space

What consist of two or more different atoms?

• atom

• compound

• molecule

• element

Tags

NGSS.MS-PS1-1

What is a molecule?

• pure chemical substance

• The ability to dissolve in a solvent

• a unit of matter, the smallest unit of an element

• two or more atoms that are held together by a chemical bond

Tags

NGSS.MS-PS1-1

What type of charge does an electron have?

• positive

• negative

• neutral

• none

Tags

NGSS.MS-PS2-3

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