Scientific Method and Lab
A systematic process that uses observation and experimentation
Science (scientific method)
Anything that has mass and takes up space
Matter
Particles in this state of matter vibrate in place
Solid
The atomic number of an element indicates...
Number of protons
What is the first element on the periodic table?
Hydrogen
24 degrees Celsius would be an example of which type of observation?
Quantitative
Type of matter with a fixed composition
Substance
The temperature at which liquid changes to gas
Boiling Point
Mass number is the number of...
protons and neutrons
This unit is used to determine mass with a triple beam balance
Where do you read the meniscus of a graduated cylinder?
Bottom of the meniscus
Deflating a basketball would be an example of which type of change?
Physical Change
Total energy needed to overcome attractions at the melting point of a substance
Electrons in the outermost energy level
Valence Electrons
Atoms that all contain similar properties
Element
If you smell rotten eggs in the lab, what could this mean?
Gas leak
Fog and milk are examples of which type of mixture?
Colloid
Total energy of a material's particles, including both kinetic and potential energy
Thermal Energy
What is a property of synthetic elements?
They are man-made
This state of matter occurs at temperatures that approach absolute zero
Bose Einstein Condensate
Conclusion section should include what 3 things?
Which type of matter is a specific kind of homogeneous mixture in which the particles are difficult to identify even under a microscope?
Solution
List the five states of matter from least to most thermal energy
BEC, Solid, Liquid, Gas, Plasma
Which family on the periodic table is nonreactive?
Noble gasses
The boiling point of water in both celsius and fahrenehit
100 degrees C and 212 degrees F