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Scientific Method Notes
2. Gather Info.
3. Form hypothesis or theory.
4. Test theory, then experiment.
5. Analyze the data.
6. Finally conclude and create a conclusion.
Chapter 1
Lab 1.1- Baking Soda Lab
-Baking soda releases gas when heated.
-Tea is the indicator.
-Control group is the unheated baking soda and tea.
-Experimental group is the heated baking soda and tea.
-When heating soda is heated, it is no longer baking soda.
-Condensation is created when b. soda is heated.
-If the color is different, the the heated b. soda must've been changed.
-Control Factors
a. amount of baking soda.
b. amount of tea.
c. same type of tea.
d. amount of stirring time.
-Experimental Errors
a. Hole in the tubing.
b. Rubber stopper is loose.
c. Tubing isn't in the top of the bottle.
d. Cap burner before removing tube.
-Cubic Centimeters equals Millilitters.
Volume Notes
Equation- L x H x W.
1 centimeter equals .01 meter.
100 Centimeters equals 1 meter.
1 mL = 1cm3.
Lab 1.4- Displacement of Water Lab
-Dry Sand - Sand Alone = Air Space
-Experimental Error- Funnel in wrong place.
-is over of = air over dry sand.
Lab 1.8- Paper Square Stuff
-Delta Mass = Change in mass.
-Sensitivity of Balance= Delta Mass divided by # of yes'.
Chapter 2
Lab 2.1- Dissolving Salt!
Lab 2.4- Ice Ice Baby
Conservation of Mass Notes
Chapter 3
Properties
Property of substance: identifies what the object is made up of.
Mass and Volume Notes
-The mass of an object will double if its volume doubles.
-Objects that have the same volume but are made of different substances will not have the same mass.
Density
Units= g/cm3
Al= Aluminum = 2.7g/cm3
Measuring Volume of a Cube
*For accuracy all Lab Partners should check measurements.
Lab 3.5- Metal Object Densities
Mass Increase = Density Increase
Volume Decrease = Density Increase
Mass Decrease = Density Decrease
Volume Increase = Density Decrease
Lab 3.6- Comparing Liquids with Densities
Section 3.8- These Shenanigans
Gold : 19.3 = M divided by 100, Cross Multiply = 1,930.
1.2 x 10^-3 g/cm3= M divided by V, 11m x 17m x 3m. 1100cm, 1700cm, 300cm =5.6 x 108cm3 Final= 6.7x105