Earth-Sun-Moon System
This causes day and night on Earth.
What is Earth’s rotation?
The star at the center of our solar system.
What is the Sun?
The Earth system that includes all living things.
What is the biosphere?
The layer of gases surrounding Earth.
What is the atmosphere?
The thin outer layer of Earth where we live.
What is the crust?
The Moon appears to change shape because of these.
What are moon phases?
The largest planet in our solar system.
What is Jupiter?
The Earth system made of water.
What is the hydrosphere?
This gas is most common in Earth’s atmosphere.
What is nitrogen?
The thick layer beneath the crust.
What is the mantle?
A solar eclipse happens when this object moves between Earth and the Sun.
What is the Moon?
These rocky planets are closest to the Sun.
What are Mercury, Venus, Earth, and Mars?
The solid rocky part of Earth belongs to this system.
What is the geosphere?
Greenhouse gases trap this type of energy from the Sun.
What is heat?
Earth’s center is mainly made of these metals.
What are iron and nickel?
Earth travels around the Sun in this path.
What is an orbit?
A huge system of stars, gas, and dust held together by gravity.
What is a galaxy?
This Earth system includes the air surrounding Earth.
What is the atmosphere?
Long-term patterns of weather in an area are called this.
What is climate?
This layer of Earth is liquid.
What is the outer core?
The tilt of Earth’s axis causes these changes during the year.
What are the seasons?
The force that keeps planets orbiting the Sun.
What is gravity?
When water evaporates, forms clouds, and falls as rain, it is called this cycle.
What is the water cycle?
Burning fossil fuels increases this greenhouse gas in the atmosphere.
What is carbon dioxide?
Scientists study earthquake waves to learn about this.
What is Earth’s interior?