Astronomy # 11 The Earth

The Earth is a

• moon of the Sun

• gas giant

• terrestrial planet

• planetoid

The Earth is...

• bigger than Neptune

• smaller than Venus

• bigger than Mars

• smaller than Uranus

Tags

NGSS.MS-ESS1-3

Which of the following does the Earth have that is the most essential for life

• a mantle

• tidal forces caused by the moon

• magnetic north and south pole

• water

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The core of the earth is composed of which two metals?

• gold

• nickel

• copper

• iron

Which statement is true?

• the mantle floats on the crust

• the crust touches the outer core

• the crust floats on the mantle

• the mantle is another name for the outer core

A______________ is created at a thinning of the crust

• geyser

• cave

• hot spring

• volcano

The Earth's magnetic field protects us from

• UV light

• ozone

• solar winds

• tidal forces

Which two gases make up the majority of our atmosphere?

• carbon dioxide

• oxygen

• helium

• nitrogen

What in our atmosphere filters excessive UV light?

• ozone layer

• Karman layer

• Nitrogen layer

• greenhouse gases

The greenhouse effect is created by

• tectonic plate activity

• a layer of CO₂ in our atmosphere

• tidal forces

• UV light being trapped by the ozone

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5