Chapter 2 Earths Physical Systems

Which of the following is a compound?

• Oxygen (O₂)

• Carbon monoxide (CO)

• Hydrogen (H₂)

• Carbon (C)

Ionic bonds are bonds that

• share electrons

• occur when an electron is transferred from one atom to another.

• share electrons unequally.

• lose an electron.

Which of the following is NOT a reason water is essential for life?

• Water can absorb only small amounts of heat, allowing it to change temperature very quickly.

• Waste and nutrients can be transported in water.

• Ice floats on liquid water, so fish survive cold winters.

• Water usually can dissolve other molecules that are essential for life.

Of the following macromolecules, which directs the production of proteins?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Sugars, starches, and glucose are all

• lipids.

• proteins.

• carbohydrates.

• nucleic acids.

According to the second law of thermodynamics,

• a. energy cannot be created or destroyed.

• b. things tend to move toward a more disorderly state.

• c. matter can be created, but not energy.

• d. kinetic energy is the most efficient source of energy.

What three products are created from the process of cell respiration?

• Carbon dioxide (CO₂), water (H₂O), and energy

• Oxygen (CO₂), water (H₂O), and energy

• Carbon dioxide (CO₂), water (H₂O), and oxygen (O₂)

• Carbon dioxide (CO₂), oxygen (O₂), and energy

Which two layers are included in the lithosphere?

• a. Outer core and inner core

• b. Crust and uppermost mantle

• c. Upper and uppermost mantle

• d. Lower mantle and outer core

Which rock type is formed from magma, for example, granite and basalt?

• Sedimentary

• Igneous

• Metamorphic

• Phosphorus

Which of the following can cause tsunamis?

• Earthquakes

• Landslides

• Volcanic eruptions

• All of the above