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What is the source of all energy on Earth? The sun is the source of energy.
What causes the seasons to change on Earth? The Earth's tilt as it revolves around the sun creates the seasons.
How many layers make up the inside of Earth? Three layers make up the inside of Earth.
What is the term for Earth's completion of one full trip around the sun? A revolution is one complete trip around the sun.
What term describes the increase in the average temperature of Earth's atmosphere? Global warming is the increase in Earth's atmospheric temperature.
How many continents are found on Earth? 7 continents are found on Earth.
What causes earthquakes and volcanoes? Plate movements cause earthquakes and volcanoes.
What process works with weathering to change Earth's surface? Erosion and weathering cause changes to the Earth's surface.
Which is the largest type of ice mass? An ice sheet is the largest type of ice mass.
What force has caused the fastest change in Earth's environment in the last 50 years? Human actions have caused the fastest changes in the Earth's environment.
What does elevation describe? Elevation describes how far above sea level a landform or location is.
What is a long, narrow, steep-sided cut in the ground or on the ocean floor? A trench is long, narrow cut in the ground.
What percentage of Earth's water is salt water? 97 percent of Earth's water is salt water.
Which process is liquid water turned into water vapor? Evaporation turns water into water vapor.
What is the name given to the regular movement of water? Water cycle is the name given to the regular movement of water.
What is a process by which water, wind, or ice moves bits of rock elsewhere? Erosion is the process of moving water, wind, or ice.
What is a giant ocean wave? A tsunami is a giant ocean wave.
What is a small ice mass that spreads outward on a land surface? A glacier is an ice mass on a land surface.
What is a long, narrow band of volcanoes around the Pacific Ocean? The Ring of Fire is the band of volcanoes around the Pacific Ocean.
What is a large, continuous mass of land? A continent is a large, continuous mass of land.
Created by: kcmccoy
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