Earth in the Solar System

What is the definition of orbit?

• The spinning of the Earth on its axis.
• When the lit up part of the moon increases
• The imaginary line that goes through the North and South Poles
• The way that all of the planets, moons, and other space objects go around the sun.

What is the center of our solar system?

• Moon 
• Earth 
• Sun 
• Jupiter

How long does it take for the earth to rotate on its axis?

• 12 hours
• 24 hours
• 42 hours 
• 365 days

How long does it take for Earth to orbit fully around the sun? 

• 365 days 
• 372 days 
• 24 hours 
• 365 hours

What is the sun? 

• a star
• a comet 
• a planet 
• an asteroid

Mercury, Venus, Earth, and Mars are examples of  _________

• outer planets
• stars
• gas giants 
• inner planets

Jupiter, Saturn, Uranus, and Neptune are examples of __________

• Inner Planets 
• Gas Giants 
• Comets 
• Stars

Earth's _______ on it's axis causes day and night.

• Rotation 
• Orbit 
• Phase
• Comet

Why do we have seasons?

• The Earth is moving around the sun.

• The Earth is tilted on it's axis.

• The Earth is rotating.

The sun is a glowing ball of _______.

• water
• liquid
• gases
• rocks