Density,Mass,Volume
What is the definition of mass?
How much matter is in an object
What are the three states of matter?
solid, liquid, gas
Description using the 5 senses
What is an insulator?
P or C: making scrambled eggs
physical
What is the equation for density?
D = m / v
Liquid to Gas
Evaporating or boiling
P or C: slicing bread
Physical
Heat always goes from _____ to ______
Hot to cold
Give an example of a conductor
metal, wire, etc
The mass of an object is 30 g. The volume of the object is 11 mL. What is the density?
2.7 g/mL
Which state of matter's molecules have the least contact with each other?
Gas
P or C: fireworks
Chemical
What is the transfer of energy through air or liquid?
Convection
Heat transfer by direct contact
conduction
The mass of an object is 48 g. Its density is 13 g/cm^3. What is the volume?
3.7 cm^3
Which state of matter as the lowest KE?
solid
Give 3 examples of a physical property
Color, taste, hardness, density, mass, smell, etc
Give an example of a closed system
pressure cooker
Which state of matter has the highest KE?
gas
The density of an object is 34 g/cm^3. The volume of the object is 7 cm^3. What is the mass?
4.9 g
The volume of a liquid is ______. The shape is _______. The particles in a volume move ________.
Definite, not definite, quicker/slide past
Give 3 examples of a chemical property:
Flammability, reaction to acid, reaction to air, rusting, corroding, rotting, etc
What is the difference between an open and closed system?
Open allows energy to come and go freely, closed is used to manipulate variables
As temperature increases, energy ___________
increases