a characteristic of matter that you observe as it reacts with or changes into a different substance
a characteristic of matter that you can observe without changing the identity of the substances that make it up
a change in matter in which the substances that make up the matter change into other substance with different chemical and physical properties
a change in the size, shape, form, or state of matter that does not change the matter’s identity
An experiment was performed, and the observations listed below. Which substance showed only a phyical change?
When hydrogen, a colorless gas, combines with chlorine, a green and poisonous gas, a new compound called hydrogen chloride, or stomach acid, is formed. Which of the following statements is NOT true about the change?
Which of the following is NOT a physical property?
Choose all the chemical change indicators
Two clear solutions are mixed together in a beaker. The mixture heats up and turns a yellow color. Eventually a yellow solid settles to the bottom of the beaker. What is the new substance formed during this chemical change?
The freezing point of water is 0*C
The density of rubbing alcohol is 9.2 grams/mL
How bubbles form when testing some minerals with acid
Frost forms on windows in the cold air
A swing in the park develops rust on it
Sculptures are carved into rocks
Luciferin and luciferase combine with oxygen for algae to "light up"
Hydrogen peroxide and a type of alcohol mix to form a glowing liquid
This diagram represents a
Choose all the chemical properties
Choose all the physical properties