Interactive Science, Ch. 6: Earth and Space

Earth's day and night happen because of Earth's ________________________.

What is a rocky mass that orbits the sun?

What are eruptions on the sun that are similar to volcanoes on Earth are called?

What are groups of stars that make patterns?

How long does it take for earth to complete one rotation on its axis?

What is a frozen mass of ice and dust orbiting the sun?

Earth moves in orbit around the sun. One full orbit is called a _____________.

Earth's orbit is oval, or ________________________.

Earth has four seasons because of its ____________________.

The outer planets--Jupiter, Saturn, Uranus, Neptune--are mostly _________________

These look like shooting stars, and are meteoroids that burn upon entering Earth's atmosphere 

The inner plants--Mercury, Venus, Earth, Mars--are mostly _______________

What is a natural object that orbits a body bigger than itself?