These rocks are formed underground when magma slowly cools.
What are intrusive rocks?
This percentage of the Earth is covered with ocean.
What is 75%?
This is the driving force of the Earth's weather.
What is the sun?
Everything in our solar system orbits this.
What is the sun?
The inner planets are also referred to as this kind of planet.
What are terrestrial planets?
These rocks are formed on the surface of the Earth when lava cools.
What are extrusive rocks?
When the sun heats up the oceans, this happens, turning water to gas.
What is evaporation?
This is the kind of water found in our oceans.
What is salt water?
The planets fall into these two categories: close to the sun and far away from the sun.
What are inner and outer?
Saturn has at least 60 of these.
What are moons?
These rocks are formed when pieces of old rocks, plants, and fossils are cemented together.
What are sedimentary rocks?
In clouds, water turns from gas to liquid, which is called...
This is the kind of water we can drink.
What is fresh water?
An object (smaller than a planet) made of gas, dust, and ice, that moves around the sun.
What is a comet?
The outer planets are also called this:
What are the gas giants?
These rocks are formed when magma and lava cool and crystalize.
What are igneous rocks?
This is a term that refers to water that falls from the sky.
What is precipitation?
Most of the Earth's water is found in these two places.
What are the North and South poles?
The time it takes a planet to spin around once.
What is a period of rotation?
This occurs when a planet's atmosphere traps heat, causing the planet to heat up.
What is the greenhouse effect?
These rocks are formed when heat and pressure are applied to existing rocks.
What are metamorphic rocks?
When plants "exhale" moisture, it is called this.
What is transpiration?
When water flows on the ground back to the rivers and the oceans it is called this.
What is run-off?
The time it takes a planet to move around the sun.
What is a period of revolution?
A meteoroid that hits a planet or a moon is called this.
What is a meteorite?