Chemical Changes - Unit E Ch. 2 Lesson 2

A sign that will let you know if a chemical change has occurred.
A. properties B. wood C. bending D. color
The ability to burn is called...
A. mass B. texture C. stability D. combustibility
List 3 objects that are high combustible.
A. water,sound and smell B. wood, charcoal and paper C. steel, gold and iron D. mass, volume and matter
Chemical changes in burning produces....
A. air B. energy C. water D. volume
Chemical reactions that absorb energy from surroundings is known as?
A. endothermic reaction B. ductility C. malleability D. density
What type of reaction is an exothermic reaction in which a substance combines with oxygen?
A. chemical reaction B. physical reaction C. combustion reaction D. stability
Give an example of a combustion reaction.
A. floating B. raining C. fire D. lightning

Answer Key
Hide Answer Key

Chemical Changes - Unit E Ch. 2 Lesson 2 (Answer Key)

A sign that will let you know if a chemical change has occurred.
A. properties B. wood C. bending D. color
The ability to burn is called...
A. mass B. texture C. stability D. combustibility
List 3 objects that are high combustible.
A. water,sound and smell B. wood, charcoal and paper C. steel, gold and iron D. mass, volume and matter
Chemical changes in burning produces....
A. air B. energy C. water D. volume
Chemical reactions that absorb energy from surroundings is known as?
A. endothermic reaction B. ductility C. malleability D. density
What type of reaction is an exothermic reaction in which a substance combines with oxygen?
A. chemical reaction B. physical reaction C. combustion reaction D. stability
Give an example of a combustion reaction.
A. floating B. raining C. fire D. lightning

When you're ready to print, just click this button: Make Print-Friendly