Matter
Matter is defined as anything that has mass and _________________.
Takes up space (has volume).
____________ is the measure of the amount of space an object takes up.
Volume
The SI base unit for length is _________
meter.
How many Significant Figures are in 140?
2
Trail mix is an example of a ________________ mixture.
Heterogeneous
Name an example of a physical property.
Color, hardness, malleability, melting point, boiling point, density, etc.
One method to measure the volume of an irregularly-shaped object (i.e., a Barbie doll) is ______________.
Displacement.
How many how cm in 5 meters?
500 cm.
The transition from a Liquid to a Solid is known as _______.
freezing
List 2 potential 'signs' or 'clues' that a chemical change / reaction is occuring.
Color change, bubbles, temperature change
A ______________ mixture has a uniform composition throughout.
Homogenous
A __________________ can not be separated into components by physical separation techniques.
Pure Substance
Express 0.00058 in Scientific Notation
5.8 x 10-4
How many seconds are in one day?
86,400 seconds
Write the following in Scientific Notation:
48,000 miles
4.8 x 104 miles
Chromatography, distillation, evaporation.
A ___________ is a substance that contains two or more elements chemically combined in a fixed proportion.
Compound (ex: H2O)
The SI base unit for Temperature is _______
Kelvin
An 18.2 gram sample of Zinc has a volume of 2.55 cm3. What is the density of Zinc? (include units)
7.14 g/cm3
How many Hydrogen atoms are in one molecule of the compound C12H22O11?
22
The process of transitioning from a gas to a liquid is known as __________.
Condensation.
What are the reactants in the following chemical equation:
Zn + S = ZnS
Zn and S
Temperature is the measure of the average _________________ of the particles in matter.
kinetic energy
The density of Aluminum (Al) is 2.70 g/cm3. What is the volume of 50.0 g of Aluminum?
18.5 cm3
The temperature at which an object or a system has the lowest energy is known as ____________.
Absolute Zero