Homework- gas

Read the info. Answer the questions:

If all the passenger vehicles in the United States were lined up bumper to bumper, they would reach from the earth to the moon and back! The amount of gas used by these vehicles each year is enough to fill a swimming pool as big as a football field that is 40 miles deep!

Questions:

1) How much fuel do cars use every year?

2) What can people do to cut back on the amount of gas they use?

Due monday 3/2

Homework - oil

Read the info. Answer the question: 
Oil was formed from the remains of animals and plants that lived millions of years ago in a marine (water) environment before the dinosaurs. Over the years, the remains were covered by layers of mud. Heat and pressure from these layers helped the remains turn into what we today call crude oil . The word "petroleum" means "rock oil" or "oil from the earth."

Questions:

1) What was oil formed from?

2) What does the word "petroleum"?

Due on Friday 2/27

Read the information below and answer the questions that follow:

Energy makes everything happen and can be divided into two types:
Stored energy is called potential energy.
Moving energy is called kinetic energy.
Experiment:

With a pencil, try this example to know the two types of energy.
Put the pencil at the edge of the desk and push it off to the floor. The moving pencil uses kinetic energy.
Now, pick up the pencil and put it back on the desk. You used your own energy to lift and move the pencil.  As it rests on the desk, the pencil has potential energy. The higher it is, the further it could fall. 

Questions:

1) What is stored energy called?

2) What is moving energy called?

3) what kind of energy does the falling pencil have?

Homework - global warming

Read the info and answer the following questions:

 

When we use oil and gas, it lets off carbon dioxide and other global-warming gases into the atmosphere. Global warming will cause more infectious diseases, death from heat waves, blizzards, and floods, and species loss.

Questions:

1) What does using oil and gas let off into the atmosphere?

2) What does global warming cause?

Due on wed 2/25

Homework - Light bulbs

Read the info. Answer the questions.

Replacing one regular light bulb with an energy-saving compact fluorescent bulb means 1,000 pounds less carbon dioxide is emitted to the atmosphere and $67 dollars is saved on energy costs over the bulb's lifetime.

Questions:
1) How much money does the energy-saving bulb save you?
2) How much less carbon dioxide is emitted because of the energy saving bulb?

Homework - Cupid

READ THE PARAGRAPH. ANSWER THE QUESTIONS.




Cupid has always played a role in the celebrations of love and lovers. He is known as a mischievous, winged child, whose arrows would pierce the hearts of his victims causing them to fall deeply in love. In ancient Greece he was known as Eros.

QUESTIONS:
1) What does cupid do?
2) What is his other name?

Due Friday 2/13

Homework - Who is Saint Valentine?

READ THE INFO. ANSWER THE QUESTIONS:

One legend contends that Valentine was a priest who served during the third century in Rome. When Emperor Claudius II decided that single men made better soldiers than those with wives and families, he outlawed marriage for young men — his crop of potential soldiers. Valentine, realizing the injustice of the decree, defied Claudius and continued to perform marriages for young lovers in secret. When Valentine's actions were discovered, Claudius ordered that he be put to death.

QUESTIONS:

1) What was Saint Valentine's job?

2) Who outlawed marriage for young men?

3) Why did the Emperor order the death of Valentine?

Due Thurs 2/19/09

Homework-water heaters

READ THE INFO. ANSWER THE QUESTIONS.

Research shows that an average household with an electric water heater spends about 25% of its home energy costs on heating water.

Solar water heaters offered the largest potential savings, with solar water-heater owners saving as much as 50% to 85% annually on their utility bills over the cost of electric water heating.

QUESTIONS:

1) What percent of home energy costs are spent on heating water?

2) What kind of heater would help to lower your utility bill?

Due on Wed 02/11/09

Homework - wind power

Read the info. Answer the questions.

Wind power is the fastest-growing energy source in the world. (Worldwatch Institute)

The wind in North Dakota alone could produce a third of America's electricity.

Questions:

1) What is the fastest growing energy source in the world?

2) What state has enough wind to produce a third of America's electricity?

Due Tues 02/10/09

Homework - Energy facts

Read the info. Answer the questions.

Americans use a billion gallons of motor oil a year, 350 million gallons of which end up polluting the environment.

Questions:

1) How many gallons of motor oil do Americans use every year?

2) How many of these gallons end up polluting the environment?

Due Mon 02/06/09

Read the passage and answer the questions:

The United States consumes about 17 million barrels of oil per day, of which nearly two-thirds is used for transportation.

The United States imports more than seven million barrels of oil per day.

Answer the following questions:

1) What does the word "consume" mean?

2) What does the word "import" mean?

3) What does the word "transportation mean?

4) How much oil does the USA use per day?

Due 2/20/09 

Read the passage and answer the questions:

Approximately 30,000 lives are cut short in the U.S. each year due to pollution from electricity production. 

About 81 tons of mercury are emitted into the atmosphere each year as a result of electric power generation. Mercury is the most toxic heavy metal in existence.

Answer these questions:

1) How many lives does electricity pollution cut short each year? 

2) What does the word "toxic" mean?

3) What is the most toxic heavy metal?

Due on Thurs 2/5/09

 

Read the passage and answer the questions.

Residential appliances, including heating and cooling equipment and water heaters, consume 90% of all energy used in the U.S. residential sector.

The United States spends about $440 billion annually for energy. Energy costs U.S. consumers $200 billion and U.S. manufacturers $100 billion annually.

Answer these questions:

1) What does "annually" mean?

2) How much energy do appliances consume in the US?

3) How much money does the USA spend on energy every year?

Due Wed 2/4/09

homework - World electricity

Read the info below and then answer the questions:

In 1997, U.S. residents consumed an average of 12,133 kilowatt-hours of electricity each, almost nine times greater than the average for the rest of the world. (Grist Magazine)

Worldwide, some 2 billion people are currently without electricity. (U.S. Department of Energy)

Answer these questions:

1) In 1997, people in the USA use how many kilowatt-hours of electricity each? _______

2) Worldwide __________ people do not have electricity.

Due Tuesday 2/3/09