Semester 1 Review

Front

Which letter represents the wave crest?

Back

C

Front

Which season is taking place in the Northern Hemisphere in Position 2?

Back

Spring

Front

Contains only one kind of atom.

Back

Element

Front

Water's ability to stick to glass is

Back

adhesion

Front

A substance that is corrosive to metals

Back

acid

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is cohesion?

Back

The attraction between molecules of the same substance.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements are chemically bonded, while a mixture is a combination of two or more substances that are not chemically bonded.

Front

What is surface tension?

Back

The cohesive force between liquid molecules at the surface of a liquid.

Front

What is capillary action?

Back

The ability of a liquid to flow in narrow spaces without the assistance of external forces.