resources
universe
water
weather and climate
earths surface
100


These resources can be replaced naturally.


what are renewable resources 

100


This force keeps planets in orbit.



Answer: What is gravity?


100


Water changing from liquid to gas is called this.


what is evaporation

100


Energy from the Sun reaches Earth by this process.


What is radiation?

100


The layer between Earth’s crust and core.


What is the mantle?

200


Coal, oil, and natural gas are examples of these resources.


What are nonrenewable resources?

200


This theory explains how the universe began.


what is the big bang theory 

200


Water stored underground is called this.


what is groundwater 

200


Cool air moving from land to sea at night is called this.


What is a land breeze?

200


Rocks changing from one type to another describes this cycle.


What is the rock cycle?

300


Solar-powered streetlights are an example of using this kind of energy.



what is renewable energy

300


The moon phase when the moon appears completely lit.


what is a full moon

300


Ocean water density changes because of temperature and this.


What is salinity (dissolved salts)?

300

The warmer the air, the greater the amount of this in the atmosphere.

What is humidity/water vapor?

300


The movement of Earth’s plates is called this.


what is plate tectonics 

400


Poor air quality is often caused by this human activity.


What is industrial pollution/factories?

400


These planets are closest to the Sun and are rocky.



Answer: What are terrestrial planets?


400


Cutting down trees decreases this process in the water cycle.


what is transpiration

400


Heat transfer by movement of fluids is called this.


What is convection?

400


Carrying away rock and soil by wind or water is called this.


Answer: What is erosion?

500

Climate change is mainly caused because the atmosphere reradiates more of this back to Earth

What is heat/thermal energy?

500

The area between Mars and Jupiter filled with rocky objects

what is the asterioid belt 

500

Water falling from clouds to Earth is called this

 What is precipitation?

500


Earth’s atmosphere is best described as this around Earth.


What is a thin layer surrounding the planet?

500


Alfred Wegener’s theory was criticized because he lacked this.


What is an explanation for how continents moved?