Show:
Sub-Disciplines of Chemistry
Scientific Method
Physical and Chemical Properties
Mixtures and Pure Substances
Sig Figs and Scientific Notation
100
The study of the composition of matter and the changes that matter undergoes
What is CHEMISTRY
100
This variable is kept constant during each experiment
What is a control
100
This state of matter has a indefinite shape and definite volume
What is liquid
100
Determine if it is a pure substance or mixture 1. Sodium (Na) 2. Coffee 3. CO2 4. mud 5. Silver (Ag)
1. P 2. M 3. P 4. M 5. P
100
Determine the number of sig figs. 1) 100. 2) 3020 3) 0.00220 4) 3.20 x 10-3 5) 500 6) 40.20
1) 3 2) 3 3) 3 4) 3 5) 1 6) 4
200
This field of chemistry studies specifically carbon
What is Organic CHEMISTRY
200
This variable is put on the y-axis *hint DRY MIX*
What is the dependent variable
200
This phase of matter has the most energy
What is a gas
200
1. Milk 2. oil and water 3. pizza 4. Kool-Aid
1. Homogeneous 2. Heterogeneous 3. Heterogeneous 4. Homogeneous
200
Change to scientific notation or a number 1) 4.5 x 10-3 2) 30,000 3) 2.345 x 104 4) 0.0000102
1) 0.0045 2) 3 x 104 3) 23,450 4) 1.02 x 10-5
300
This field of chemistry studies the composition of a substance/matter
What is Analytical CHEMISTRY
300
An opinion based on the observations
What is inference
300
Color Size Hardness Density Shape Melting Point Boiling Point
What are physical properties
300
The process that separates 2 different liquids based on boiling points
What is Distillation
300
Round to 3 sig figs 1) 502,567 2) 0.0003995 3) 0.02034
1) 503,000 2) 0.000400 3) 0.0203
400
This field of chemistry studies uses scientific analysis of the properties and behavior of chemical systems
What is Physical CHEMISTRY
400
The act of gathering information
What is observation
400
Melting, cutting, boiling
What are physical changes
400
Mass cannot be destroyed or created
What is the law of conservation of mass
400
Convert: 1) 4m = ___ mm 2) 4000 g = ___ Kg 3) 40 cm = ____ mm
1) 4000 m 2) 4 g 3) 400 mm
500
this branch of chemistry is concerned with the chemical and physicochemical processes that occur within living organisms.
What is BioCHEMISTRY
500
List the 5 steps of the scientific method *I know this is not the jeopardy style get over it*
What is 1. Problem 2. Hypothesis 3. Experiment 4. Observation and Data 5 Conclusion
500
Give 4 examples that you know that a chemical change has occurred
1. Bubbling 2. Change in Temp 3. Color Change 4. Change in Smell 5. Precipitate formed
500
Why is salt water a mixture and not a pure substance?
Because the salt is just in solution,
500
Add, subtract, multiply, and divide using appropriate sig figs 1) 203.456 + 0.02 = 2) 4.32 x 5 = 3) 22 – 1.2 =
1) 203.476 -> 203.48 2) 21.6 -> 20 3) 20.8 -> 21