Section 5: Visitor Survey From carbon to hydrogen energy

Test - Comprehension and understanding - grades 9 to 12

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Item 1
Ozone is less stable and breaks down in warm temperatures. This is one reason why global warming is destroying the ozone layer.

True
False

Item 2
One distinction of PEM fuel cells is the movement of the hydroxyl ion from the anode to the cathode.

True
False

Item 3
PEM fuel cells use solphonation to allow hydrogen protons to pass through the polymer. It is a dry process on the anode and is known as an acid fuel cell utilizing ionic bonding.

True
False

Item 4
Fuel reforming is an exothermic way of producing hydrogen from hydrocarbons, which makes it very efficient.

True
False

Item 5
The fuel cells in cars use hydrogen and air, producing no pollutants whatsoever.

True
False

Item 6
The house of the future may well generate the hydrogen needed to power the family automobile from tap water and roof-top solar photovoltaic cells.

True
False

Item 7
The United States currently has conflicting tax policy with respect to fossil fuel use.

True
False

Item 8
Because of the tremendous U.S. bipartisan support for the Kyoto emission committment treaty, especially from the U.S. Senate, the U.S. State Department has said that the right thing is for the world to move towards working for lower emissions.

True
False

Item 9
Since the agreement on emissions levels, baselined to 1990 levels, 35 developed nations have ratified the Kyoto treaty as of 8/15/2000.

True
False

Item 10
Increasing CO₂ enriches those plants and biota that fix CO₂. This is a totally beneficial thing for our eco-systems.

True
False

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An entry in the 2000 ThinkQuest Internet Challenge. Click on logo to the right for details.

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