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Bio lab 2 self ass

bio lab 2 self ass 2

QuestionAnswer
In our Scientific Method Penny lab, what was the independent variable? Soapy water
You are running an experiment to determine the effect of temperature on the growth of bacteria. What is the dependent variable? Rate of growth of the bacteria
You are running an experiment to determine the effect of temperature on the growth of bacteria. What is the independent variable? Temperature
You are running an experiment to determine the effect of temperature on the growth of bacteria. What is a possible controlled variable? Type of bacteria
In our Scientific Method Penny lab, what was the dependent variable? Number of drops the penny could hold
Water's ability to stick to itself is called: Surface Tension
Water molecules are _____ molecules meaning they have a positive and negative end Polar
When negative charged oxygen in water is attracted to positively charged hydrogen Hydrogen Bonding
The properties of _______ make it an excellent transport medium in living things Water
Water is called the universal _____ in living things Solvent
Water has a high heat ______ and a high heat _______ Evaporation; Capacity
Hydrogen bonding causes water molecules to stick to _________ (cohesion) and the water molecules to stick to other _______ Each Other; Surfaces
In Lab 2, the dish soap interfered with hydrogen bonding by changing the characteristics of the water and made it less ______ and ______ Cohesive; Adhesive
In Lab 2, the dish soap made the water less cohesive and adhesive, so it took _______ drops to cover the penny than tap water ______ Fewer; Alone
Created by: scarangelo
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