Science is trying to explain the world around us
Science is a way of thinking
“Science is a system of knowledge based on facts or principles”
What is science ?
100
Physics is often described as the study of matter and energy.
What is Physics ?
100
Force is the agent of change; that which alters motion
What is Force
100
The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems
What is Chemistry ?
100
An Organic compound consisting of only 2 elements
What is Hydrocarbon ?
200
a generalized mental image of an object
What is concept ?
200
Speed v=d/t
What is the equation for speed ?
200
measured in Newtons
What is Force measured in ?
200
Smallest particle of an element that has all the properties of matter:
Protons- particles in the nucleus with positive charge
Electrons- particles orbiting around nucleus with negative charge
Neutrons- particles in the nucleus with no charge
What is a Atom ?
200
Alkanes
Alkenes
Alkynes
Aromatic Hydrocarbon
What are the four groups Hydrocarbons ?
300
Properties are usually determined using the five senses. (smell, sight, hearing, touch, and taste)
What are properties ?
300
Definition: Rate of change in velocity
Speeding up, slowing down, changing direction
What is Accelaration ?
300
Weight (FW)
Normal Force (FN)
Frictional Force (Ff)
Applied Force (Fa)
What are Common forces
300
An isotope is a variation of an element (same protons) but can have diff. # of neutrons
What is a Isotope ?
300
Single Covalent Bonds between Carbons
Make Up Petroleum and Petroleum products
Called paraffin Series
Little Affinity
What is Alkanes
400
describe with words
Hot , red, large
What is Qualitative ?
400
Final velocity minus original velocity, divided by time
a = (vf – vi)/t
Vf is the final speed
Vi is the initial speed
What is the formula for Acceration ?
400
1kg (9.8 m/s2) = 9.8 N
How much does 1 kg weigh in N?
400
An electron on the outermost energy shell of an atom
What is Valence electron ?
400
Double Covalent Bonds between Carbons
Alkene formula : CnH2n
All alkenes end with the suffix –ene
Two terms introduced
What is Alkenes
500
describe with numbers
100° , 10 meters, 3.46 grams
What is Quantitative ?
500
2. What is the speed of a jet plane that travels 528 meters in 4 seconds?
Given Find Equation
d=528 m v v=d/t
t=4s v=528m/4s
v=132 m/s
What is the speed of a jet plane that travels 528 meters in 4 seconds?
500
50 kg (9.8 m/s2) = 490 N
490 N (0.225 lb/N) = 110 lb
If a student has a mass of 50 kg, what is their weight in N and in lb?
500
– Effervescence (bubbles and/or gives off gas)
– Precipitate (solid crystals form)
– Odor (change of smell is detected)
– Color change
– Heat (reaction either heats up or cools down
EPOCH is an acronym that stands for evidence that a chemical reaction has occurred.
500
Triple Covalent Bonds between Carbons
Alkyne formula : CnH2n-2
All alkynes end with the suffix –yne