IPS Exam Study Guide
Lab Safety
Roll up sleeves with burner
Scientific Method
2. Gather info
3. Form a hypothesis/theory
4. Test theory + experiment
5. Analyze data
6. Conclusion
Reaction in a Bag
- Wear goggles
- Open bag away from people
Observations
- Solid A: rocks, causes to get hot
- Solid B: powder- causes to get cold
- Turns yellow
- Substance bubbles
- Gets hot
- Solids dissolve
- Bag gets a lot of pressure
- Gets cold after it's hot
- Thick liquid
- Gas came from reaction and filled up bag tight
- Red liquid must be there in order for mixture to bubble
Chapter 1.1: Baking Soda Lab
- Water vapor on glass
- water recedes
- glass gets black on bottom
drops of water go from t.tube to the bottle
- when fire is turned off, baking soda fizzes
- Baking soda is in chunks when iced tea is poured
Post Lab
- If colors are not the same, something in heated baking soda must've changed and it's not baking soda anymore
- Control Group: Unheated baking soda and tea
- Experimental Group: Heated baking soda and tea
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