This force keeps planets in orbit.
What is gravity?
Water changing from liquid to gas is called this.
What is evaporation?
Energy from the Sun reaches Earth by this process.
What is radiatoin?
The layer between Earth’s crust and core.
What is the mantle?
These resources can be replaced naturally.
What are renewable resources?
This theory explains how the universe began.
What is the Big Bang Theory
Water stored underground is called this.
What is groundwater?
Cool air moving from land to sea at night is called this.
What is a land breeze?
Rocks changing from one type to another describes this cycle.
What is the rock cycle?
Coal, oil, and natural gas are examples of these resources.
What are nonrenewable resources?
The moon phase when the moon appears completely lit.
What is a full moon?
Ocean water density changes because of temperature and this.
What is salinity (dissolved salts)?
The warmer the air, the greater the amount of this in the atmosphere.
What is humidity?
The movement of Earth’s plates is called this.
What is plate tectonics?
Solar-powered streetlights are an example of using this kind of energy.
What is renewable energy?
These planets are closest to the Sun and are rocky.
What are the terrestrial planets?
Cutting down trees decreases this process in the water cycle.
What is transpiration?
Heat transfer by movement of fluids is called this.
What is convections?
Carrying away rock and soil by wind or water is called this.
What is erosion?
Poor air quality is often caused by this human activity.
What is industrial pollution/factories?
The area between Mars and Jupiter filled with rocky objects.
What is the asteroid belt?
Water falling from clouds to Earth is called this.
What is precipitation?
Earth’s atmosphere is best described as this around Earth.
What is a thin layer surrounding the planet?
Alfred Wegener’s theory was criticized because he lacked this.
What is an explanation for how continents moved?
Climate change is mainly caused because the atmosphere reradiates more of this back to Earth.
What is heat/thermal energy?