AS300 2-1 Earth and Moon

Front

What is the outer core of the Earth composed of?

Back

The outer core is composed of liquid metal, primarily iron and nickel.

Front

Are the magnetic poles and geographic poles located in the same place?

Back

No, the magnetic poles and geographic poles are not in the same spot.

Front

How was the Moon formed?

Back

The Moon was formed by a collision between the Earth and a planetoid.

Front

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

Back

Approximately 70% of Earth's surface is covered by water.

Front

What celestial body has the most significant effect on Earth's tides?

Back

The Moon has the most significant effect on Earth's tides.

Front

What is the primary component of the Earth's inner core?

Back

The inner core is primarily composed of solid iron and nickel.

Front

What is the difference between the Earth's crust and mantle?

Back

The crust is the outermost layer of the Earth, while the mantle is the layer beneath the crust, composed of semi-solid rock.

Front

What is the significance of the Earth's magnetic field?

Back

The Earth's magnetic field protects the planet from solar wind and cosmic radiation.

Front

What is a planetoid?

Back

A planetoid is a small celestial body that orbits the Sun, similar to a planet but smaller.

Front

How do tides vary in different locations on Earth?

Back

Tides vary due to the gravitational pull of the Moon and the Sun, as well as the shape of coastlines and ocean floors.