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- 1. Multiple Choice
Which object will MOST likely be repelled by the metal sphere?
A paper with a negative charge
A glass with a positive charge
A magnet with its north pole facing the sphere
A magnet with its south pole facing the sphere
- 2. Multiple Choice
Carlos was playing on a slide on a sunny summer day. Which property of the slide tells Carlos how much energy the slide absorbed by the sun?
mass
color
height
temperature
- 3. Multiple Choice
Which of the following is LEAST likely to allow electricity to flow?
aluminum
copper
plastic
water
- 4. Multiple Choice
Where would the MOST heat occur in a simple circuit?
battery
resistor
wire
switch
- 5. Multiple Choice
What type of energy is being transferred to the pot to make the water boil?
heat
light
potential
sound
- 6. Multiple Choice
What is the primary energy source used by power plants to generate electricity?
coal
wood
gasoline
batteries
- 7. Multiple Choice
Which of these statements about nonrenewable resources is true?
They are inexpensive.
They help keep the air clean.
They can take millions of years to form.
They are used because they are easily removed from the ground.
- 8. Multiple Choice
Dams are built on rivers to hold back water. The water is then released and passes through turbines to produce...
solar energy
thermal energy
chemical energy
electrical energy
- 9. Multiple Choice
A house is built in a desert, where there is no electricity and very little wind. Which action could lead to operating the electrical appliances in the house that would cause the LEAST amount of environmental pollution?
constructing a small hydroelectric plant
placing solar panels on the roof of the house
using gasoline generators
burning coal or wood
- 10. Multiple Choice
According to the chart, what percentage of energy came from renewable resources?
85%
30%
15%
7%
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