Define: physical property
A property of matter that can be measured without changing the identity of an object.
Any characteristic that gives a substance the ability to undergo a change that results in a new substance
What is a chemical property?
Anything that has mass and takes up space
What is matter?
color, density, hardness, shape, mass, melting and boiling points
What chemical property is associated with adding oxygen to a substance? An apple changing colors after being cut is an example of this.
What is Oxidation ?
What is the most common physical change?
A change in state
When you leave milk out too long and it becomes sour what does it form?
What is PRECIPITATE?
These are the 3 most common states of matter
What are solid, liquid, and gas?
When wood meets too much heat it does what?
burn
There is a golden retriever that passes by and my friend makes the following observations:
Looks to be 25 inches tall and weighs 80 pounds
These are all examples of what kind of data?
What is QUANTITATIVE
Anna's Dad cleans the house with homemade cleaning liquids. One day, she was watching him. He mixed vinegar with baking soda in a container. The mixture started to create foam and bubble! What did this chemical change produce?
It produced a gas
What happens to a liquid when it reaches 0 degrees Celsius?
The temperature at which water changes to a solid (ice)
You can layer water and oil on top of honey without them mixing because they each liquid a different _.
What is density?
What is happens when water reaches 100 degrees Celsius?
The temperature at which water turns into a gas = EVAPORATION
What are the four signs a chemical change has occurred?
Unexpected colour change, energy released or absorbed, gas is produced, a solid is produced (PRECIPITATE)
What does boiling point mean?
The temperature at which a liquid becomes a gas.
cracking eggs and mixing them in a bowl is a...
Physical change
This happens when you turn up the heat to a certain point on a solid.
What is melting?