Rotation & Revolution
How long does it take for Earth to rotate on its axis one time?
24 hours
Name two landforms that are on the surface of Earth.
Mountains and deserts are two examples of landforms. There are also valleys, plateaus, grassland, savannah and bodies of water.
How many layers does Earth have?
Four
How many satellites does Earth have?
one
24 hours
Why is Earth called the blue planet?
From space, Earth looks blue because of the oceans.
What is the name of the layer where we live?
It is called the crust.
What is the name of our satellite?
It is called the Moon.
How long does it take for the Earth to travel around the Sun one time?
365 and 1/4 days
How much of Earth's surface is covered by oceans?
70%
What is the name of the layer below, or underneath, the crust?
It is called the mantle.
What is Earth a satellite of?
The Sun.
What does orbit mean?
An orbit is the path of one object around another.
Describe the mantle.
The mantle is composed of melted rock called magma.
What object orbits the Earth?
Our moon orbits Earth.
What is the core of the Earth like?
The core of the Earth has 2 layers. The outer core is very hot melted metal.
The inner core is extremely hot but the metal there is solid because of the pressure.