Chapter 9 Comparing Kinds of Matter

is the amount of matter in an object.

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NGSS.MS-PS2-4

is how strongly gravity pulls on an object.

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NGSS.HS-PS2-4

measures how much space matter takes up

is anything that has mass and volume.

is the amount of mass for each mL of a substance.

is the resistance to sinking.

An is a material that cannot be broken down into anything simpler by chemical reactions.

are elements that share common properties such as shiny luster, conductivity, and flexibility.

An is the smallest unit of an element that retains the properties of that element.

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NGSS.MS-PS1-1

What is the center of an atom?

• nucleus

• proton

• neutron

• electron