Mod 14 & 15 Review

Front

What is a compound?

Back

A substance made of two or more elements that cannot be separated by physical means.

Front

What property makes ketchup difficult to pour?

Back

Viscosity.

Front

What is true of a heterogeneous mixture?

Back

Different samples may not be exactly alike.

Front

What physical property do thermometers rely on?

Back

Thermal energy.

Front

What is an example of a chemical change?

Back

Gas burns in an engine.

Front

Define viscosity.

Back

A measure of a fluid's resistance to flow.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A mixture where the components can be seen and separated.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.

Front

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

Back

A physical change alters the form of a substance, while a chemical change alters its chemical composition.