Study Guide 1 Question Preview (ID: 8110)
Science.
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Which of the following is not an example of a chemical change?
a) wood burning
b) adding baking soda to vinegar
c) separating a salt water solution
d) photosynthesis
Which of the following is an example of a chemical change?
a) Heating sand to high temperatures to form molten glass
b) Freezing water
c) Mixing sodium and water
d) making table sugar from sugar cane
Which of the following is NOT a clue that a chemical reaction is occurring?
a) gas formation
b) precipitation of a solid
c) change in the size and shape of a solid
d) color change
Which of the following is a renewable resources?
a) Wind
b) Coal
c) Nuclear Energy
d) Petroleum
How is the production of wind energy limited by time and place?
a) The process produces dangerous wastes that must be contained
b) Water must be nearby to convert turbine movement to hydroelectricity
c) Wind farms may destroy the habitats of native wildlife of a large scale
d) Winds must be strong and frequent in the area
Which of the following is a disadvantage associated with most alternative fuel sources?
a) They create a great deal of pollution
b) They are expensive to implement
c) The are easily constructed anywhere on Earth
d) Their wastes can be easily contained
Which statement about nuclear energy is true?
a) Nuclear energy requires simple technology to produce
b) Nuclear energy produces dangerous levels of smog
c) Nuclear energy is released by a fission or fusion reaction
d) Nuclear energy is not capable of harming the environment
How can humans conserve natural resources?
a) By using up renewable resources
b) By using up nonrenewable resources
c) By cutting down trees to make paper products
d) By making sure washing machines are full before being run
What does kinetic energy depend on?
a) Mass and volume
b) Velocity and weight
c) Weight and height
d) Velocity and mass
Which of the following is NOT an example of potential energy?
a) A ball traveling at 10 m/s
b) A compressed spring
c) Stress along a fault line
d) A stretched rubber band
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