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This comprehensive guide covers topics like sig figs, scientific notation, metric system, mass and volume measurements, ratios, probability, periodic table, solutions, osmosis, diffusion, and microscopy techniques. Learn fundamental principles in a clear and concise manner.
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Counting Sig Figs & Proper Scientific Notation • 950100 • 9501 • 950.1 • 95.01 • 9.501 • 0.9501 • 0.0000009501
Metric System • SI Units – what are they?? • Base unit • Conversions – • Dimensional Analysis • Move the decimal • 556.02g = __________ hg • .00911m = __________ mm
Mass Measurements • What kind is this? • Are measurements direct or indirect? • What is the estimated digit?
Mass Measurements • What kind is this? • Are measurements direct or indirect?
Volume • Displacement – what is this? • Direct measurement? • What works best when??
What kinds are these? How do you know what the volume is? How do you know what the increments are? Pipets
Ratios & Proportions • Ratios can be written 3 different waysA ratio of 3 boys to 5 girls can look like: • 3 to 53 • 3 : 5 • 3/5 • Is the order important??
Calculate the mean, mode, median, range and Standard Deviation of: 65, 91, 65, 84, 87, 95
Probability: • If you have a deck Of 52 cards, what is The probability of Selecting a 1 of hearts? What is the sample space?
Periodic Table – What info can we get from it? Metal Nonmetals Metalloids Periods Groups
Gold • Elements • Compounds
Homogenous Mixtures • Heterogeneous Mixtures
Acids and Bases • pH – what is it? • pH scale – what is it?
Solutions 25.0 g of sugar is added to 125 mL of hot coffee. What is the %concentration? 1.5g of powdered Tang to water for a total solution of 50mL. What is the % concentration?
Microscope : • Parts • Field of View • How to use • What to use when
Which ball has the greatest Potential Energy? Why? Which ball would have the least Potential Energy? Why?
Which ball would have the least Potential Energy? Why? Which ball would have the least Potential Energy? Why?
Which ball would have the greatest Kinetic Energy? Why? Which ball would have the least Kinetic Energy? Why?
Which ball would have the greatest Kinetic Energy? Why? Which ball would have the least Kinetic Energy? Why?