Final Earth Systems 12/14

What does orbit mean?

• The path a planet takes around the sun.
• The spinning of the planet.
• When a rocket blasts into space.
• To fly into outer space.

How long does it take to the Earth to do the ROTATION MOVEMENT?

• 365 days
• 24 hours
• 24 hours + 6 hours
• 28 days

Select all that apply to the inner planets

• Rocky

• Small

• Made of gas

• Behind the asteroid belt

Select all that apply to the outer planets

• Small

• Made of gas

• Behind the asteroid belt

• Has rings

What is responsible for smaller objects in space continuously circling/orbiting larger objects? 

• light-year
• air
• wind
• gravity

The four terrestrial planets all have

• Rocky surfaces
• Hot temperatures
• Deep atmospheres
• Large size

Planets form by a process called...

• accretion
• dark matter interactions
• electromagnetic radiation
• sun-dropping

Why is the Inner Core solid?

• Extreme Heat
• High Pressure
• All the layers are solid
• It's made of rock

Which layer of the Earth is responsible for Earth's magnetic field?

• outer core
• inner core
• mantle
• crust

What is the thinnest layer of the earth’s composition?

• mantle
• inner core
• crust
• outer core