Biochemistry properties and changes

Question 1

Physical properties

Answer 1

Properties that you can measure or see through direct observations. Doesn’t involve changing a substance. THE PHYSICAL AND NOT CHEMICAL CHARACTERISTICS OF A SUBSTANCE.

Question 2

Physical properties examples:

Answer 2

Density,color, temperature, brittleness, malleability and solid liquid and gas

Question 3

A physical change is…

Answer 3

A change that Can Be Reversible and doesn’t change the substance into a new substance. It just changes the appearance of the substance. APPEARANCE CHANGES BUT SUBSTANCE DOE NOT. CAN BE REVERSED

Question 4

Chemical change is…

Answer 4

Turning a substance into a new substance. NOT EASILY REVERSIBLE

Question 5

PHYSICAL CHANGE EXAMPLES:

Answer 5

Heating, boiling, cooling, dissolving, melting, freezing, and bending

Question 6

Chemical changes examples:

Answer 6

Iron to rust, a substance changing into another substance, new substance, bubbling, and temperature change.

Question 7

Chemical properties definition:

Answer 7

Properties that can only be observed and seen when one substance changes into another substance. The properties of matter that become evident after a chemical reaction

Question 8

Chemical properties examples:

Answer 8

Toxic, flammable, acidity, reactivity