What tool do we use to measure mass?
A triple beam balance
What is density?
How much matter is packed into a certain volume.
A gram is used to measure....
Mass
Some examples of physical properties are....
color, texture, boiling point, taste, odor, hardness, luster, melting point, solubility, density....
What is the formula to calculate density?
D=M/V
What is the definition of volume?
The amount of space an object takes up.
What is the equation for density?
M/V = D
Typically physical properties of matter are thin gs that you can detect with your....
senses.
How would I find the volume of a marble? Explain what it is.
Water displacement - explanation...
As the temperature of most substances increases, it's density......
increases or decreases
decreases
Which is LARGER, 12 milligrams or 12 kilograms?
12 kilograms
Some examples of chemical properties are....
oxidation, flammability, rust, radioactive, reaction to water, toxins....
What is the name of the curve you see at the top of a graduated cylinder?
Meniscus
What is the density of pure H2O?
1g/cm3
What are the two units we used for density?
g/mL and g/cm3
Explain what a chemical property is and give one example
A chemical property describes an objects ability to turn into something else. Possible examples: reacts with water reacts with oxygen rusts
What is the base unit of mass in the metric system?
kilogram
What is the base for volume in the metric system?
liter
What weighs more, ten pounds of bricks or ten pounds of feathers?
They are the same, both weigh 10 pounds.
One liter is equal to.....
1 cubic centimeter.
When a log burns in a fire is it a physical change?
Yes!
Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapor, and ash.