Large bodies of _______ water are called lakes.
fresh
Land covers most of the earth's surface.
False
The breaking down of rock into smaller pieces by wind, water, ice, or plants is____.
A) erosion
B) weathering
B) weathering
Why can scientists only infer what layers are inside the earth?
Since the layers inside the earth cannot be seen, scientists must infer from what they observe.
Australia is an island and a _______.
continent
The largest areas of land on the earth's surface are continents.
True
The moving of rocks, sand, or soil on the earth's surface is____.
A) erosion
B) weathering
A) erosion
How does learning about volcanoes and earthquakes help people live safely?
Knowing about earthquakes and volcanoes can help scientists warn people before an earthquake happens, or a volcano erupts, so they can get somewhere safe.
A deep narrow passage with steep sides and a river flowing through it is a _______.
canyon
Geologists learn about the earth's crust by digging holes and studying rocks.
True
What happens when large areas of the earth's surface shake and move?
A) an earthquake
B) a volcano
A) an earthquake
Melted rock that comes out of a volcano is _____.
The layer of earth that is made of melted rock is the core.
False
What happens when the earth's crust opens and lava flows out?
A) an earthquake
B) a volcano
B) a volcano