Test- Matter & Energy

Front

What happens to water when it freezes in the freezer?

Back

The water loses energy.

Front

What does the '+' symbol indicate in a chemical equation, such as Fe + HCl?

Back

It indicates that the substances react with each other.

Front

Define matter.

Back

Matter is anything that takes up space and has mass.

Front

What does the arrow in a chemical equation, such as HCl -> FeCl3, signify?

Back

It signifies that the reactants produce the products.

Front

How does the speed of an object relate to its kinetic energy?

Back

The faster an object moves, the more kinetic energy it has.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the process of dissolving?

Back

Dissolving is the process where a solute mixes with a solvent to form a solution.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.