It involves chemical reactions that cause new substances or products to be formed. 

Oxidation is ______________. 

The leaves of plants are usually vibrant green and give off plants make their own food through ______________.

It occurs when a gas turns directly into a solid. 

It is the process wherein a liquid turns into a gas upon reaching its boiling point. 

Phase changes cause an object to change from one phase to another.

A Phase Changes are ______________________.

Is a chemical process in which a material chemically combines with oxygen. 

Materials that can easily cause injury, illness, or even death. 

Materials that can easily catch fire at relatively low temperatures. 

A material is considered _____if it has a flash point higher that 37.8 degrees Celsius. 

It is the tendency of a liquid to vaporize. 

Ceramics are made of clay shaped into desired forms and hardened in a high-temperature oven called _____.

It is made by melting a mixture of sand and other minerals in a furnace and then cooling it afterward. 

A combinations of two or more metals that result in an improved property of the metal.