Physical science Midterm 2023

Front

What is a mixture?

Back

A combination of different things.

Front

What type of heat transfer occurs when heat is transferred through direct contact?

Back

Conduction.

Front

What is O2 classified as?

Back

Element.

Front

Is melting point a chemical or physical property?

Back

Physical Property.

Front

What is the amount of matter in an object called?

Back

Mass.

Front

What is the definition of a compound?

Back

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

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made of two or more elements chemically combined.

Front

What is convection?

Back

A method of heat transfer through fluids (liquids and gases) where warmer areas of a liquid or gas rise and cooler areas sink.