Q: Answer the following question given this paragraph: You must have a GPS receiver to use the system. You can buy many types of these in stores. The GPS receiver detects radio signals from nearby GPS satellites. There are precise clocks on each satellite and in the receiver. The receiver measures the time for radio signals from satellites to reach it. The receiver uses the time and the speed of radio signals to calculate the distance between the receiver and the satellite. The receiver does this with at least four different satellites to locate its position on the Earth's surface ( Figure above ). GPS receivers are now being built into many items, such as cell phones and cars. Q: What do we call the worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations? A:

OPTIONS:
- cellular network
- radio waves
- compass
- gps

A: gps

Q: Answer the following question given this paragraph: The first step in the process of inductive reasoning is making specific observations. In the periodic table of elements, which we will discuss later, there is a group of metals with similar properties called the alkali metals. The alkali metals include elements such as sodium and potassium. If I put sodium or potassium in water, I will observe a very violent reaction every time. I draw a general conclusion from these observations: all alkali metals will react violently with water. Q: Which group of metals in the periodic table include elements such as sodium and potassium? A:

OPTIONS:
- igneous metals
- actinides
- lanthanides
- alkali metals

A: alkali metals

Q: Answer the following question given this paragraph: Blood diseases include sickle-cell anemia, leukemia, lymphoma, and hemophilia. Q: Sickle-cell anemia, leukemia, lymphoma, and hemophilia are examples of what types of disease? A:

OPTIONS:
- microscopic disease
- Bone Diease
- Cancer
- blood disease

A: blood disease

Q: Answer the following question given this paragraph: Jet streams are fast-moving air currents high in the troposphere. They are also the result of unequal heating of the atmosphere. Jet streams circle the planet, mainly from west to east. The strongest jet streams are the polar jets. PIctured below is the northern polar jet ( Figure below ). Q: What do you call the fast-moving air currents high in the troposphere? A:

OPTIONS:
- stationary fronts
- wind streams
- cyclones
- jet streams

A:
jet streams