What function does a generator perform inside a power plant? A.The generator stores electrical energy for later use in homes and businesses. B.The generator transforms the mechanical energy of the turbine into electrical energy. C.The generator spins the turbine to create mechanical energy. D.The generator spins the turbine to create electrical energy.
What explains the key difference between a bomb calorimeter and a coffee cup calorimeter? A bomb calorimeter is 10 times larger but works the same way. A bomb calorimeter measures heat for liquid products only. A bomb calorimeter has a separate chamber to hold substances and can even measure heat gain or loss for reactions that do not occur in water. A bomb calorimeter can measure heat gain or loss in gaseous reactions but is not useful for reactions that occur at high pressures and temperatures.
Select all that apply. _____ is a place where the crust of the lithosphere has fractured. A fault A subduction zone An oceanic trench A river
Population I stars are found in what area of the Milky Way? A. Central bulge B. Globular clusters C. Halo D. Spiral arms
Hich of these statements explains the relationship among elements, compounds, and mixtures? Elements are made of compounds and mixtures. Both compounds and mixtures are made up of elements. Mixtures are made of elements, and elements are made of compounds. Compounds are made of mixtures, and mixtures are made of elements.
When used as an archetype, which season is most often associated with rebirth and life? summer fall winter spring
What is the resultant velocity vector when you add your swimming velocity and the current velocity? give the x and y components in meters per second separated by a comma?
Mrs. Drover is able to see the taxi driver because of the aperture, or A. opening. B. picture. C. mirror. D. inner sight.
Which of the following statements about earthquakes is false? A. The building and release of stress along a plate boundary can result in an earthquake. B. Earthquakes can occur far from plate boundaries. C. Seismic waves originate at a point called the focus. D. No amount of force can cause rock to deform.
Mechanical waves use matter to transfer energy. Please select the best answer from the choices provided T F
Which property of potential energy distinguishes it from kinetic energy? a. mass b. shape and position c. force d. work and power
Which of the following ocean-floor features would contain the newest rocks? Abyssal plain Continental shelf Continental slope Mid-ocean ridge
What is the value of the temperature 15 degrees Celsius in degrees Kelvin? A. 455 degrees B. 258 degrees C. 288 degrees D. 475 degrees
Which of the following creates a magnetic force?. A) No Poles. B) Magnetic Charge. C) Magnetic Current. D) North and South Poles
With his Square Deal, Theodore Roosevelt hoped to a. help pull the United States out of the Great Depression. b. increase the influence and power of the United States among the nations of the world. c. keep the wealthy and powerful from taking advantage of small business owners and the poor. d. help business trusts remain competitive.
A seismogram shows that P waves travel a. at the same speed as surface waves. b. more slowly than S waves. c. at the same speed as S waves. d. faster than S waves.