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Q 1/17
Score 0
Burning coal is an example of which energy transformation?
30
light into chemical
thermal into electrical
mechanical into electrical
chemical into thermal
Q 2/17
Score 0
What is the energy transformation occurring in this picture?
30
electrical energy to light energy
chemical energy to potential energy
electrical energy to light energy
light energy to electrical energy
17 questions
Q.
Burning coal is an example of which energy transformation?
1
30 sec
Q.
What is the energy transformation occurring in this picture?
2
30 sec
Q.
When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts-
3
30 sec
Q.
A student who is feeling cold rubs her hands on her bare arms. What energy transformation is the student using to feel warmer?
4
30 sec
Q.
Which type of energy transformation occurs when a flashlight shines?
5
30 sec
Q.
Which of these is an example of light energy being transformed into chemical energy?
6
30 sec
Q.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occur?
7
30 sec
Q.
People are encouraged to eat breakfast every morning to give their bodies energy. What energy transformation takes place as a runner eats breakfast then goes for a long run?
8
30 sec
Q.
What is the major disadvantage of using nuclear power to generate electricity?
9
30 sec
Q.
One disadvantage to using coal to produce electricity is that coal-
10
30 sec
Q.
Javier wants to install solar panels at his house. He has a brochure that includes this graph. The brochure also claims that solar panels help save money on the cost of electricity. Based on the graph, how much money will Javier save over one year because of the solar panels?
11
30 sec
Q.
Which is one challenge to Julia's position that her debate opponents could use? Growing more plants for biodiesel fuel-
12
45 sec
Q.
Maria and her classmates are designing a plan to help manage energy use at their school. They want to choose the best type of light bulbs so the school can save energy and lower costs. Maria finds that this table with data comparing different types of light bulbs. Which is the most logical way for Maria and her classmates to use the data?
13
45 sec
Q.
What is the most logical way for Matthew and Sarah should develop to conserve energy?
14
45 sec
Q.
Which is a disadvantage of using this type of power system?
15
45 sec
Q.
The U.S has a large percentage of the world's coal resources. These resources can provide enough coal to last at least 200 years. Coal is burned as fuel to generate electrical power. Almost 40% of electrical power in Texas comes from burning coal. Based on the information, which best summarizes the advantages and disadvantages of coal power?
16
60 sec
Q.
What combined percentage of energy used in the United States comes from renewable resources?
