Chemical Changes - Unit E Ch. 2 Lesson 2
A sign that will let you know if a chemical change has occurred.
The ability to burn is called...
List 3 objects that are high combustible.
wood, charcoal and paper
water,sound and smell,
steel, gold and iron,
mass, volume and matter)
Chemical changes in burning produces....
Chemical reactions that absorb energy from surroundings is known as?
What type of reaction is an exothermic reaction in which a substance combines with oxygen?
Give an example of a combustion reaction.