Show:
Physical Property
Chemical
Properties and Changes
Physical Changes
Chemical or Physical Changes
Miscellaneous
100
What is a physical property?
An observable or measurable change, but not a change in identity
100
What is a chemical property?
Any characteristic that gives a substance the ability to undergo a change that results in a new substance
100
What is 0 degrees Celsius?
The temperature at which water changes to a solid (ice)
100
Frying an egg is a physical or chemical change?
Chemical change
100
What is matter?
Anything that has mass and takes up space
200
The physical state of matter depends on it's...
Temperature
200
What are three chemical properties
flammability, reacts with oxygen, reacts with light, reacts with water, ect.
200
What is the most common physical change?
A change in state
200
Wood rotting is an example of a...
Chemical change
200
Substances are classified as an acid on the pH scale if they range from what to what?
0 to 7
300
What are solid, liquid, gas, and plasma?
These are the four states of matter
300
What substance is formed when metal reacts with oxygen and water?
Rust
300
Can a physical change easily be reversed?
Yes
300
Mowing the lawn is an example of a...
Physical change
300
What is weathering?
A physical change that takes place over long periods of time
400
What is 100 degrees Celsius?
The temperature at which water turns into a gas
400
Name a product created from the chemical reaction of vinegar and baking soda?
Sodium acetate, water, and carbon dioxide are produced
400
What is boiling point?
The temperature at which a liquid becomes a gas.
400
What is an example of a chemical change?
An apple turning brown, rust, burning something, tarnishing, etc.
400
What is the law of conservation of mass?
In any chemical reaction, the total mass of the reactants is always equal to the mass of the products
500
What is mass divided by volume
The equation for density
500
What chemical change is occurring when silver reacts with sulfur in the air, producing a grayish-brown film.
Tarnishing
500
What is the definition of density?
Density is the amount of mass in a given volume
500
Scrambling eggs is a...
Physical change
500
What is the pH of water?
7, Neutral