Physical and Chemical Changes

Question 0

a change that produces a new substance and has properties different from those of the original substance

Answer 0

chemical change

Question 1

substance may seem different, but the way atoms link up is the same

Answer 1

physical change

Question 2

a process that produces a chemical change

Answer 2

chemical reaction

Question 3

rust is an example of a _________ __________

Answer 3

chemical reaction

Question 4

physical change is simply a change in state of __________

Answer 4

appearance

Question 5

if it changes shape or size it is a what?

Answer 5

physical change

Question 6

if it burns what kind of change is it?

Answer 6

chemical change

Question 7

if it changes phase by (freezing, boiling, evaporates, condenses) what is it?

Answer 7

physical change

Question 8

if the temperature changes without heating/cooling what is it?

Answer 8

it is a chemical change

Question 9

if something dissolves what is the change?

Answer 9

physical change

Question 10

if something bubbles what kind of change is it?

Answer 10

chemical change

Question 11

signs of chemical changes are

Answer 11

1) oder change
2) production of a solid
3) energy absorbed or released