Vocabulary
What is Density?
D= M/V
A student measures the mass of an 8 cm3 block of brown sugar to be 12.9 g. What is the density of the brown sugar?
0.62g/cm3
What are the 4 states of matter?
Solid, liquid, gas, plasma.
What is the basic building block of all matter?
Describe it:
Atoms
Proton (+), Neutrons (0), Electrons (-)
What is the lowest frequency on the EM spectrum?
Radio Waves have the lowest frequency and energy.
What is Ductility?
Give an example....
The ability to be pulled into a thin strand.
Copper...
A chef fills a container with 50 ml of cooking oil. The mass of the oil is 43.5 g. What is the density of the oil?
0.87g/ml
Describe the movement of particles in a solid.
Definite shape, Definite volume. Particles do not move.
Elements and Compounds
Elements contain one type of atom, Compounds contain more than 2 types of atoms.
What has the highest frequency on the EM spectrum?
Gamma Rays have the highest frequency and energy.
The ability to be pressed into a thin sheet...
Give an example...
Malleability....
Aluminum...
Calculate the mass of a liquid with a density of 2.5 g/mL and a volume of 15 mL.
37g
Describe the movement of particles in a liquid
Fixed volume, no fixed shape. Particles can SLIDE past each other.
What is a homogeneous mixture?
Uniform appearance.
Which wave is visible to the human eye?
Light waves are the only waves on the EM spectrum that we can see.
What is Conductivity?
Give two examples
the ability of a substance to transfer heat OR electricity
Wood or plastic are not good electric conductors, but metal is.
Metals are great conductors of both heat and electricity.
Calculate the volume of a liquid with a density of 5.45 g/mL and a mass of 65 g.
11.92ml
Describe the movement of particles in a gas.
No fixed volume, no fixed shape. Particles move FAST and spread apart.
What is a heterogeneous mixture
No uniform appearance.
Identify the speed of light through different materials: Gas, liquid, solid.
Gas (air), liquid, and solid.
Explain Solubility.
Give an example. Be sure to use proper vocabulary! Bonus points if you identify parts of the mixture!
the ability to dissolve in another substance.
Solvent (Liquid)+Solute(Mix)=Solution
A piece of solid magnesium has a mass of 1300 g and a volume of 743 cm3. What is the density of the magnesium?
1.74 Or 1.75g/cm3
Give an example
Temperature changes.
Thermal energy!
Describe the two types of heterogeneous mixtures
Suspensions,
Colloids.
FASTEST in Solid, Liquid, and SLOWEST in gas!