Planet Earth

Which ocean is the world's largest?

The core, _____, and crust are the three main layers of the Earth.

Limestone dissolved by carbon dioxide in rainwater is an example of _____ weathering.

When clouds gather more water than they can hold, they release moisture as

Jupiter, Saturn, Uranus, and Neptune are

Which of the following best describes the Earth's inner core?

The Grand Canyon in Colorado was created by

The Earth's most visible landforms seen from space are

Most of the Earth's total freshwater is in

During ______ pieces of the Earth's crust come together slowly.

Outside the ______, life can exist only with mechanical life-support systems.

When lava breaks through the earth's crust, a _____ is formed.

A _____ is made up of icy dust particles and frozen gases.

About 97% of the water on Earth circles the globe as

Water vapor changing into liquid is called