Earth and Space Science

Help Questions

8th Grade Science › Earth and Space Science

Questions 1 - 4

Select the option that is an example of a renewable energy source.

Wind

Coal

Petroleum

Natural gas

Renewable energy sources are sources of energy that are naturally replaced or energy sources that won't run out.

Wind is the only example of an energy source that won't run out and is the correct answer.

Roughly, how old is the planet Earth?

$4.5\textup{ billion years old}$

$4.5\textup{ million years old}$

$5.5\textup{ billion years old}$

$5.5\textup{ million years old}$

Planet Earth is roughly $4.5\textup{ billion years old}$

What orbits the Earth?

The moon

The sun

Both the moon and then sun

Neither the moon or the sun

The moon orbits the Earth.

What orbits the Sun?

The Earth

The moon

Both the Earth and the moon

Neither the Earth or the moon

The Earth orbits the sun.