Wetlands are shallow areas covered by water. Wetlands are able to absorb a tremendous amount of water. Wetlands could reduce the effects of which of the following weather hazards?

The image below shows lava flowing from the Krafla volcano in Iceland.

How is a new land feature formed from lava?

Some buildings are designed so that their bases are not directly connected to the ground. Instead, isolation bearings at such a building's base allow it to slightly move relative to the ground it rests on.

Using isolation bearings is one way that engineers protect a building from

Technological advancements, such as the wind vane, barometer, and thermometer were invented to help people forecast the weather. Many other instruments, such as weather satellites and radar, have also been created to help with weather forecasting.

Advances in weather forecasting techniques contribute many important things such as

Which of the following would show an example of the changes of the Earth's surface?

Clive is an architect and is designing a new elementary school. He is considering ways to design the building to reduce the effects of future tornadoes.

Which of the following is a design feature that could help Clive achieve this goal?

What can farmers do to prevent erosion between crops each year?

Juanita wants to learn about the way clay swells when it is wet and shrinks when it dries. She gets a sturdy wooden box and fills it most of the way with clay. She buries a few hard-boiled eggs in the clay.

Juanita pours water into the box and lets it soak into the clay. She lets the clay dry out, then she carefully removes it from the box one layer at a time. She finds that the egg shells have all been crushed.

If the eggs in Juanita's experiment represent rocks in the real world, her experiment shows how swelling clay can cause

Which of the following would cause the most soil to erode away?

The picture below shows a river that meanders, or flows in a pattern shaped like an "s."

What causes a river to meander?