Problem: It is not enough to describe some objects by their location. We may also need to know its direction. For example, a wind blows a storm over your school. Where is that storm coming from? Where is it going? How can we describe a direction? The most common way is by using a compass. A compass is a device with a floating needle (Figure 2.1). The needle is a small magnet. The needle aligns itself with the Earth's magnetic field. The compass needle always points to magnetic north. If you have a compass and you find north. You can then know any other direction. See the directions, such as east, south, west, etc., on a compass rose. The Earth has two poles. It has a magnetic north pole. It also has a geographic north pole. These two poles are close to each other but not the exact same place.

Question: "What two poles are close to each other?"

Answer: "Geographic North pole and magnetic south pole"
Answer: yes

Problem: Physical properties include the state of matter. We know these states as solid, liquid, or gas. Properties can also include color and odor. For example, oxygen is a gas. It is a major part of the air we breathe. It is colorless and odorless. Chlorine is also a gas. In contrast to oxygen, chlorine is greenish in color. It has a strong, sharp odor. Have you ever smelled cleaning products used around your home? If so, you have probably smelled chlorine. Another place you might smell chlorine is at a public swimming pool. The chlorine is used to kill bacteria that may grow in the water. Other physical properties include hardness, freezing, and boiling points. Some substances have the ability to dissolve in other substances. Some substances cannot be dissolved. For example, salt easily dissolves in water. Oil does not dissolve in water.

Question: "What do physical properties include?"

Answer: "color and odor"
Answer: yes

Problem: And William Martinez, 28, who cut his medical school studies short because he couldn't afford the $39,000 in loans after two years of graduate school and four years of college. Martinez works two jobs as a physician's assistant and supports his elderly parents and 8-year-old son. Uncommon Good has a 22-member board of doctors, lawyers and representatives of Christian groups and is recruiting mentors. One goal is to get the state Legislature to pass a law to provide loan forgiveness to medical professionals and lawyers who work with the poor. Mintie said she hopes her organization can be a national model for other professions. She is trying to bring legal aid services to the Inland Valley -- the closest legal aid office is in El Monte and represents 700,000 poor people throughout the San Fernando, San Gabriel and Inland valleys. "Unless the legal aid is in the community, you can't say you are serving the poor," Mintie said. Neal Dudovitz is the executive director of Neighborhood Legal Services of Los Angeles County, the legal aid office in El Monte. He sees attorneys new to poverty law leave all the time because they can't afford the salary with their law school debt. "She's really opened a lot of eyes in terms of having people understand how the educational debt is limiting and reducing the services that are available to low-income communities," Dudovitz said. "Nancy is light years ahead of the curve on this stuff. Very little is being done practically to solve it." Mintie, her colleagues say, could have made a lot of money in private practice. "She's very kind and pleasant," said Julius Thompson, 45, an attorney at Inner City Law Center and an Uncommon Good recipient. "But she's also a woman on a mission. When she sets her sights on something, she's a formidable force."

Question: "Who said, "She's a formidable force."?"

Answer: "Neal Dudovitz"
Answer:
no