Final Exam 7th Grade Science

Front

What happens to the concentration of a solution if more solute is added without changing the amount of solvent?

Back

The concentration increases.

Front

Which best describes heat transfer by radiation?

Back

Cooking a hotdog in a microwave.

Front

Which is NOT an insulator?

Back

iron.

Front

What is a compound?

Back

A molecule that is formed from two different elements/atoms.

Front

Is this an atom or molecule?

Back

molecule.

Front

What is the definition of a solute?

Back

A substance that is dissolved in a solution.

Front

What is the definition of a solvent?

Back

A substance that dissolves a solute, forming a solution.

Front

What is the process of heat transfer by conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is the definition of an insulator?

Back

A material that does not conduct heat well.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.