5.5A Properties of Matter

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to flow through it easily. Examples include metals like aluminum and copper.

Front

What are the properties of solids?

Back

Solids have a definite shape and volume. The molecules in solids are closely packed and vibrate in place.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to flow through it easily. Examples include rubber and glass.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What does it mean for a substance to be soluble in water?

Back

A substance is soluble in water if it can dissolve in water to form a solution. For example, sugar is soluble in water.

Front

What are the properties of gases?

Back

Gases have no definite shape or volume. The molecules in gases are far apart and move rapidly.

Tags

NGSS.MS-PS1-4

Front

What is density?

Back

Density is the mass of a substance divided by its volume. It determines whether an object will float or sink in water.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition (e.g., melting ice). A chemical change results in the formation of new substances (e.g., rusting iron).

Tags

NGSS.MS-PS1-4

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties. Examples include salad and air.

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). An example is saltwater.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.