Questions asked by Katie Lau

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• What is the ability to do work called?
  
• How many grams of salt can be dissolved in 100 g of H2O at 80 degrees Celsius?
  
• What are three fractions that can be written as percentage between 50% and 75%?
  
• What are chromosomes arranged into pairs in diploid cells called?
  
• What is #5^-8 * 5^-5# ?
  
• How does drinking water and waste water treatment impact our water?
  
• What is the ionic bond formed by aluminum and chlorine?
  
• How many times does a dragonfly’s wing beat per minute?
  
• Doug entered a canoe race. He rowed 3.5 miles in half an hour. What is his average speed in miles per hour?
  
• What is #(9.75 * 10^3) * (8.4 * 10^-6)#?
  
• Tom can clean the store in twelve hours. If Sandy helps, it takes them ten hours. Without help, how long would it take Sandy to do the same thing?
  
• How did Plessy v. Ferguson make the fight against segregation more difficult?
  
• Alyssa and Benny were able to dig a garden in 2 hours together. It takes Benny 5 hours to finish this job alone. Without help, how long would it take Alyssa to finish this job?
  
• How would you prepare 250 mL of 0.158 M solution of #MgCl_2# from a 3.15 M stock solution?
  
• What were said to be the provisions of the Compromise of 1877?
  
• Can you list five fuel gases used in oxyfuel gas welding or cutting?
  
• The temperature in Spearfish, South Dakota, fell from 54°F to -4°F at 9:27 AM. How many degrees did the temperature fall?
  
• Calcium chloride is used as a de-icer on the roads in winter. it has a density of 2.50g/cm^3. What is the mass of 15.00 cm^3 of this substance?
  
• What are two useful food products produced by bacteria?
  
• What are 5 famous dynasties of China?
  
• 999mg is equal to how many grams?
  
• What would the topography of an area be like if the contour lines were close together, and if they were far apart?
  
• At a baseball game, Henry bought 5 hot dogs and 3 bags of chips for $14.82. Scott bought 7 hot dogs and 6 bags of chips for $22.89. What is the cost of one hot dog and one bag of chips?
  
• How do you write (y-3) = -2(x-6) in slope-intercept form?
  
• The lengths of two sides of a triangle are 12 ft and 13 ft. What is the range of possible lengths for the third side?
  
• What are two physical properties of metallic copper?
  
• Why do you think immigrants from Germany and Ireland settled in the United States in different places?
  
• What are three truths that are "self-evident"?
  
• What happened as a result of the Opium War?
  
• An object is moving at a velocity or 8.8 m/s. It accelerates to a velocity of 35 m/s over a time of 6.3 s. What acceleration did it experience?
  
• How many cells are produced at the end of meiosis?
  
• A ball is thrown into the air at some angle. At the very top of the ball's path, what is always 0?
  
• Suppose a small plane can fly at 300 km/h [N] relative to the surrounding air. Suppose also that there is a 60 km/h [N] tailwind. How fast does the plane's shadow move across the ground?
  
• How many Sulfur atoms are in 0.42 mol S?
  
• 75% of what number is 187.5?
  
• A car moves with a speed of 80 m/s. If the driver used the brakes to decrease the speed, so it decreases by 2 m/sec^2. What is its speed after 12 seconds from using the brakes?
  
• How does an enzyme act as a catalyst?
  
• The index of refraction for water is 1.33 and for glass it is 1.52. What happens to the speed of light when light travels from water into glass?
  
• A coyote is chasing the road runner around the desert. He goes 6m north, 8m west, 2m north, 4m west, 10m south, and 8m east. What was the coyote's resultant vector?
  
• How many atoms of oxygen are found in aluminum nitrate?
  
• What functions does the urinary system perform?
  
• What is the GCF of 225 and 315?
  
• What does the root in admit mean?
  
• What are the components of the nervous system?
  
• If the surface area of the earth is 510,460,000 km^2, what is the radius of the earth in meters?
  
• What is the organic molecule than stores the most energy called, and what is its structure?
  
• In which organelle does the light reaction of photosynthesis take place?
  
• What is the gas that is produced in photosynthesis, and where does it come from?
  
• What are the three types of muscle, and what do they do?
  
• What are the similarities and differences between President Hoover’s response to the stock market crash of 1929 and his response to the Great Depression in the early 1930s?
  
• What can you do to take care of your bones?
  
• What does the prefix auto mean?
  
• What does the suffix troph mean?
  
• What role does ATP play in metabolism?
  
• What are the main differences between elements, compounds, and mixtures?
  
• Which stages of the cell cycle generally require about the same amount of time in all human cells?
  
• The density of water is 1.00 g/mL at 4°C. How many water molecules are present in 2.46 mL of water at this temperature?
  
• How many moles are there in 9.00 grams of beryllium?
  
• How many atoms of neon are in 5.9 grams of neon?
  
• What does John O'Sullivan mean when he says it is “our manifest destiny to overspread the continent allotted by Providence"?
  
• A flask contains a gas mixture of methane, hydrogen. and nitrogen with partial pressures of 1 atm. 1.2 atm, and 1.1 aim, respectively. What is the total pressure of the mixture?
  
• If the amount of energy released by an earthquake with a magnitude of 7.0 on the Richter scale is x, what is the amount of energy released by an earthquake with a magnitude of 6.0 in terms of x?
  
• What is (8*6) / (3 + 9)?
  
• What is the probability of drawing a 6 from a deck of cards?
  
• If an object is accelerating, can the net force acting on it ever be zero?
  
• Where are blood cells made, and what is the purpose of red blood cells?
  
• What is the difference between mass and weight?
  
• A man charges $65 for a chair at a craft market. The materials for a chair cost $45 and there is a $75 fee for a booth at the market. How many chairs must he sell to make a profit?
  
• What is #(3/(a+2)) + (4/(a-5))#?
  
• Is "12, 15, 18, 21..." an arithmetic sequence?
  
• Why are most communities best represented with a food web instead of a food chain?
  
• How big is the moon compared to the Earth?
  
• Why was Ogelthorpe's prohibition of slavery reversed?
  
• What is (1/5) of 30?
  
• What are the names of these ionic compounds: LiCl, BaO, Na_3N, and PbSO_4?
  
• Chlorous acid, #HClO_2#, contains what percent hydrogen by mass?
  
• What is the decimal .032 in lowest fractional form?
  
• What does endocrinosis mean?
  
• What process are unique to metaphase I (meiosis) that doesn't occur during metaphase of mitosis?
  
• What is (1/14 * 28)?
  
• Karen raked 3/5 of the yard. Minni raked 1/3 of the amount Karen raked. How much of the yard did Minni rake?
  
• Why do atoms join to form bonds?
  
• What is .47 as a fraction?
  
• What did Article 231 of the Versailles Treaty do to Germany?
  
• What was the League of Nations?
  
• When did the Paris Peace Conference start, and how long did they work?
  
• How is the area of a wall calculated?
  
• What causes the phases of the moon?
  
• Which two macromolecules offer energy storage to the cell?
  
• How did the French and American revolution impact the Russian revolution?
  
• Why was the publication of "Common Sense" by Thomas Paine so important?
  
• What are the two parts of a chemical reaction?
  
• In what type of rock do fossils usually form in?
  
• What is the difference between prograde rotation and retrograde rotation?
  
• A 600g toy car moving at m/s collides and hooks up with a 900g toy car at rest and they move off together. What is their final velocity?
  
• To what extent were the colonists influenced by European ideas and political developments during the American Revolution?
  
• In which of the three rock layers would you expect to find fossils of an organism that went extinct before the marine organism evolved?
  
• Can all minerals be gemstones?
  
• What is the value of x in 81^(x^3 + 2x^2) = 27^((5*x)/3)?
  
• How many moles of KCl are in 27.5 g of KCl?
  
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