What development helped speed up manufacturing of products such as automobiles?
A.
the growth of labor unions
B.
the telegraph
C.
the assembly line
D.
the Bessemer process
C. public education
kinetic to electrical to chemical
C. the assembly line
Between 1860 and 1914, what was the destination of 90 percent of European emigrants?
A.
Eastern and Southern Europe
B.
Asia
C.
Africa
D.
the Americas
D. the Americas
Which of the following was an outcome of reforms put in place to solve the problems caused by industrialization?
A.
vertical integration
B.
trusts
C.
public education
D.
cottage industries
A circuit in a home provides power to a light fixture. The homeowners want to use a compact fluorescent bulb instead of an incandescent bulb. Compact fluorescent bulbs can produce as much light as incandescent bulbs but with less energy. How is this possible?(1 point)
Responses
Incandescent bulbs produce other forms of energy, too, including heat.
Incandescent bulbs produce other forms of energy, too, including heat.
Fluorescent bulbs have been designed to put out more energy than they receive.
Fluorescent bulbs have been designed to put out more energy than they receive.
Energy is destroyed when it passes through an incandescent bulb.
Energy is destroyed when it passes through an incandescent bulb.
Fluorescent bulbs produce other forms of energy, too, including heat
Fluorescent bulbs have been designed to put out more energy than they receive.
The batteries of some flashlights can be charged by turning a handle. Which energy transformation is happening in this process?(1 point)
Responses
kinetic to potential to chemical
kinetic to potential to chemical
kinetic to electrical to light
kinetic to electrical to light
kinetic to potential to light
kinetic to potential to light
kinetic to electrical to chemical
How does the power switch on a computer work?(1 point)
Responses
Turning the switch on turns on the parts that convert electrical energy to other forms.
Turning the switch on turns on the parts that convert electrical energy to other forms.
Turning the switch on causes the conductors to release electrons.
Turning the switch on causes the conductors to release electrons.
Turning the switch on activates the power source to allow electrons to flow.
Turning the switch on activates the power source to allow electrons to flow.
Turning the switch on completes the circuit between the power source and the load.