All About Earth

What is the age of Planet Earth?

• 4.6 billion years

• 2.5 billion years

• 1.3 billion years

• 6.2 billion years

Tags

NGSS.MS-ESS1-4

What percentage of Earth's surface is covered by water?

• 29%

• 97.5%

• 50%

• 71%

Tags

NGSS.MS-ESS2-4

What is the main component of Earth's outer core?

• Water

• Silicate rocks

• Carbon

• Iron and nickel

What is the name of the process that moves Earth's surface?

• Sedimentation

• Erosion

• Accretion

• Plate Tectonics

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the deepest place on Earth?

• Grand Canyon

• Mariana Trench

• Mt. Everest

• Sahara Desert

What is the name of the lowest layer of the atmosphere?

• Thermosphere

• Troposphere

• Mesosphere

• Stratosphere

What percentage of Earth's fresh water is frozen as ice and snow?

• 69%

• 30%

• 1%

• 97.5%

Tags

NGSS.MS-ESS2-4

What is the temperature range of Earth's outer core?

• 2,000℃ to 3,000℃

• 500℃ to 1,000℃

• 1,000℃ to 2,000℃

• 4,000℃ to 5,700℃

What part of the atmosphere protects us from the sun's radiation?

• Ozone layer

• Troposphere

• Mesosphere

• Exosphere

What 2 gases make up most of the air on Earth?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Helium