IPS Exam Study Guide
Scientific Method
2. Gather Information
3. Form hypothesis/theory
4. Perform Experiment
5. Analyze Data
6. Conclusion
LAB: Reaction in a Bag
Chapter 1 Vocabulary
2. Inference
3. Hypothesis
4. Control Group
5. Indicator
6. Volume
7. Volume Displacement Technique
8. Mass
9. Meniscus
10. Experimental Group
11. Control Factors
LAB: Baking Soda
Post Lab Notes:
1. Condensation Occurs From Hot Gas Touching Cooler Surface
2. Heated Baking Soda Is No Longer Baking Soda
Errors:
1. Hole In Tubing
2. Stirring Rod Contaminated
3. Stopper Not On Tight
Control Group: Unheated Baking Soda And Tea
Experimental Group: Heated Baking Soda/ Tea
Indicator: Tea (showed color)
Control Factors:
1. Stirring Some Time
2. Same Type Of Tea
3. Same Amount Of Baking Soda
4. Same Amount Of Tea
5. Same Size Test Tube
1.2 Volume Notes
Volume: LxWxH
Standard Unit Of Length: Meter
1 Centimeter (1cm): .01m
Volume Of Liquid
Units: Milliliters (ml)
Single Pan/Balance Notes
2. Always "zero" Balance Before Each Massing
- Push All Riders To Zero (left)
- Use adjustment knob if needed
4. Pick Up Balance By Red Bar Only
5. Return Riders To Zero When Done
Volume Of Rock
2. Fill Cylinder With A Amount Of H2O
3. Record The Volume of H2O
4. Put Rock Into H2O
5. Record Level Of H2O
6. Calculate Difference Between Two Volumes
LAB: 1.4
Post Lab Notes:
Errors:
1. Sand Sticks To Sides Of Cylinder (Volume Of Sand And Water Will Be Less)
2. Pours The Water Into The Sand (Volume Of Sand And Water Will Be Higher)
3. Pour The Sand Too Fast -> Overflow Funnel
4. Sand Sticks To Funnel (Wet)
Extra Question: Everyone One Had The Same Amount Of Air Space About 40%
LAB: 1.8
To Find Sensitivity Of Balance: Change Of MAss Divided By Number Of Yes's
Errors:
1. Pan Mixed Up
2. Cutting Bad
3. Not Zero Balance
4. Pencil Marks On Graph Paper
5. Read Balance Incorrectly
Chapter 2 Vocab
2. Conservation Of Mass
3. Laws Of Nature
LAB: 2.1
Errors:
1. Clean Pan Between Mass Initial And Mass Final
2. Cap Not Tight -> H2O Spills Out
3. Salt Spills From Cap Into Bottle
4. Cap Not Dry
5. Not Shaking Long Enough
6. Remove Cap Before Mass Final
7. Bottle Wet On Outside
MOST LEAD TO A LOSS IN MASS!
Histogram Rule: If Data Falls On A Line Graph It In The Column To The Right!
LAB: 2.4
Condensation: Comes From Warm H2O Vapor Touching The Cooler Surface Of Bottle It Changes From A Gas To A Liquid
Errors:
1. Not Wiping Off Condensation On Outside
2. Shaking Bottle
3. Ice Not Fully Melted
4. Not Drying Bottle And Cap (Makes Mass Initial Smaler And Change In Mass Larger)
5. Cap Not On During Mass Initial-Water Could Evaporate
6. Remove Cap By Mass Final-Water Could Spill Out
LAB: 2.5
Errors:
1. Rubber Sheet And Band Are Not On Tight Enough
2. Clean Pan Between (Mass Initial And Mass Final) Making A Decrease In Mass
-Reaction Not Done Before Cap Flame
3. Hole In Rubber Sheet (Gas Will Escape And You Won't See The Reaction Same For #1)
LAB: 2.6
Errors:
1. Cap Wet
2. Cap is Not On Light And Fast
3. Water On Outside Bottle During Mass Initial
4. Touch Tablet After Mass Initial
Alka-Seltzer
-Sodium Bicarbonate -> Baking Soda Releases Gas
Conservation Of Mass Notes
Chapter 3 Vocab
2. Plateau
3. Phase Diagram
4. Barometer
5. Barometric Pressure
6. Density
LAB: 3.1
Property Of Subject: Identify What The Object Is Made Of
LAB: 3.2
Errors:
1. Re-mass Same Cylinder
2. Cylinder Is Wet When Massing (Mass Higher)
3. Not Enough H2O To Cover Cylinder (Volume Lower)
4. H2O Splashes Out Of Graduated Cylinder (Volume Lower)
LAB: 3.3 Density
LAB: 3.5
Errors:
1. Mix Up Cubes
2. Mass Rock After Taking Its Volume (Mass Higher, Density Higher)
3. Measure Same Side Of Cube/Substance
4. Measure From End Of Ruler, Not Zero (Volume Lower, Density Higher)
LAB: 3.6
Errors:
1. Contaminate Cylinders (Cylinder Is Wet)
2. Dry Cylinder After Its Massed
3. Liquid Sticks To Inside Walls Or Cylinder (Mass Higher, Density Higher)
Magnesium Sulfate: Epson Salt
LAB: 3.7
Errors:
1. Hand Isn't Sealed -> H2O Leaks Out (Gas Enters) (Volume Higher, Density Lower)
2. Touch Tablet After Mass Initial (Mass Higher, Density Higher)
3. Forget To Include Foil In Mass Final (Mass Higher, Density Higher)
4. Tubing, Tablet, Stopper (In This Order) (Volume Higher, Density Lower)
5. Condensation On Outside Test Tube For Mass Final (Mass Lower, Density Lower)
6. Hole In Tubing/Stopper Not Snuggly/Taking Too Long Getting Tubing In Bottle (Volume Lower, Density Higher)
-Gas Comes From Sodium Bicarbonate In Tablet
-Gas Is Carbon Dioxide