NGSS CAST Physical Science CORE

Front

What is an example of a physical property?

Back

Magnetism is an example of a physical property.

Front

What do we call a substance made of only one type of atom?

Back

An element is a substance made of only one type of atom.

Front

Where is 99.99% of an atom's mass found?

Back

99.99% of an atom's mass is found in the nucleus.

Front

What is an example of a physical property?

Back

Melting point is an example of a physical property.

Front

What is a colloid?

Back

A colloid is a mixture in which 2 or more substances are mixed evenly, cannot be filtered, usually appears opaque, and shows the Tyndall effect.

Front

What is the definition of a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is the Tyndall effect?

Back

The Tyndall effect is the scattering of light by particles in a colloid or in very fine suspensions.

Front

What is reactivity with oxygen?

Back

Reactivity with oxygen refers to how a substance reacts when it comes into contact with oxygen, often leading to oxidation.

Front

What is flammability?

Back

Flammability is the ability of a substance to catch fire and burn.