Focus On Earth Science: California Grade 6

Lesson 3: Using Energy and Material Resources

Standards Check

1.
The San Francisco bay area has lost ________% of its wetlands due to development. 6.b
A)50
B)25
C)85
D)75
2.
Which is a true statement? 6.b
A)All habitats are used by only one animal.
B)Population changes in one species do NOT affect other species.
C)Humans do NOT affect natural resources.
D)Destroying a habitat used by one species can affect the population of other species.
3.
About ________% of our electricity is generated using nuclear energy. 6.a, 6.b
A)8
B)2
C)15
D)25
4.
The thermal energy in Earth's crust is called __________. 6.a, 6.b
A)nuclear energy
B)kinetic energy
C)geothermal energy
D)solar energy
5.
_____ power is clean, and unlimited. 6.a, 6.b
A)Biomass
B)Nuclear
C)Fossil fuel
D)Solar
Grade 6
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